Renault introducing three Energy engines in the Mégane Collection 2012; fuel economy up to 67 mpg US

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The Energy dCi 110 diesel offers fuel consumption of 3.5 Renault is introducing three new Energy engines ( earlier post ) in its Mégane Collection 2012: the new turbocharged, gasoline direct-injection Energy TCE 115 di; the Energy dCi 130; and the Energy dCi 110, with NEDC fuel consumption of 3.5 The 1.2-liter Renault Energy TCe 115 is the first Renault gasoline engine to feature direct fuel injection and turbocharging for fuel-efficient performance.

2012 94

Study shows simultaneous lower emissions and improved fuel economy with Fischer-Tropsch diesel

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report not only the superior emission characteristics of the Fischer–Tropsch fuels, but also evidence that higher exhaust gas recirculation and lower excess air ratios will be a key concept of both engine and aftertreatment optimization for further fuel consumption improvement. In addition, differences in combustion phenomena between Fischer–Tropsch fuels and the baseline diesel fuel were observed by means of a single-cylinder engine with optical access.

2012 83

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Independent testing finds Thomas Built Buses with SCR delivers better fuel economy than equivalent EGR system

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A recent, independent, third-party test of a Thomas Built Buses Saf-T-Liner C2 against an IC Bus™ CE Series found that the SCR technology in the Thomas Bus delivers 7-27% better fuel economy than the EGR technology in the IC bus and, when factoring in the cost of diesel exhaust fluid (DEF), is the more cost-effective choice. Industry-recognized methodology, SAE J1526, Type III, was used for calculating fuel consumption differences between vehicles.

2012 76

GM develops integrated exhaust manifold cylinder head for 3.6L V6 direct injection engine; improvement in performance, fuel economy, emissions and noise

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The reduced complexity of the design of the new integrated exhaust manifold cylinder head ( bottom ) compared to the old ( top ). GM has combined the exhaust manifold with the cylinder head into a single aluminum casting in the 2012 Camaro 3.6L direction injection V6, achieving both better fuel economy while reducing emissions. Reducing mass helps improve fuel economy; the 2012 Camaro 2LS model is EPA-estimated at 30 mpg US (7.8

2011 101

New 2013 Nissan Sentra delivers 34 mpg combined fuel economy, up to 40 mpg highway

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Nissan’s all-new 2013 Sentra, featuring a new 1.8-liter engine and next-generation Xtronic CVT with sub-planetary gear, offers combined fuel economy of 34 mpg (6.9 The lighter and more aerodynamic new Sentra allows Nissan to use the more fuel-efficient 1.8-liter engine, which along with the Xtronic CVT with sub-planetary gear helps deliver a 13% improvement in EPA combined fuel economy. Fuel economy is rated at 30 mpg (7.84 Fuel Efficiency

2012 81

BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

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The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. Christopher Thomas, BorgWarner VP, Advanced Engineering, Engine Group and VP, Advanced Engineering, Drivetrain Group presented the basic concepts of VEMB and current BorgWarner test results at the recent SAE 2012 High Efficiency IC Engine Symposium.

2012 78

New automatic climate control in the BMW 3 Series improves both air quality and fuel economy

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With the new automatic climate control system in the BMW 3 Series, BMW is offering a combination of increased interior comfort due to improved air quality and better fuel economy through intelligent control. Within the framework of EfficientDynamics measures, BMW engineers paid special attention to improving the fuel consumption of the new BMW 3 Series.

2012 78

Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

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Pinnacle Engines, the developer of a high compression ratio, four-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) reports that the most basic configuration of its engine has shown improvements in indicated specific fuel consumption (ISFC) of between 30-60% at light load and 12-30% at medium-load compared to a comparably sized conventional poppet-valve technology engine. Comparison of ISFC (@42.9

2012 101

ORNL researchers quantify the effect of increasing highway speed on fuel economy

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Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal It also offers consumer information and advice pertaining to vehicle fuel economy and energy-related issues such as driving tips.

2013 107

Ford launching major new product push in Europe; fuel economy and 1.0L EcoBoost engine; first Ford full hybrid car for Europe

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At a “Go Further with Ford” event in Amsterdam, Ford Motor Company detailed plans for an aggressive product acceleration in Europe, targeting opportunities for growth in the large car, SUV and commercial vehicle segments while emphasizing fuel economy and enabling technologies such as the EcoBoost engines. Ford projects that two-thirds of all the company’s vehicles in Europe will be leaders, or among the very best, in terms of fuel efficiency by 2013.

2012 89

Transonic demonstrates supercritical gasoline operation under low load, medium load, and high speed low load conditions; simulated vehicle fuel economy of 48.8 mpg

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Engineers at Transonic Combustion, a start-up developing a fuel efficient supercritical (SC) fuel injection and combustion system—Transonic Combustion, or TSCi ( earlier post )—have demonstrated the TSCi process using gasoline fuel at low load without EGR, medium load with EGR, and high speed low load with EGR. Using engine test data, Transonic simulated vehicle fuel consumption for a vehicle over the NEDC drive cycle using a 4-cylinder, 1.6L

2012 90

New Volkswagen Polo BlueGT with cylinder deactivation offers gasoline engine fuel economy of up to 52 mpg US

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The system was realized with the new 1.4-liter gasoline-fueled TSI of the Polo BlueGT. The TSI develops a power output of 103 kW / 138 hp, with a combined fuel consumption of 4.7 If the Polo BlueGT is ordered with the optional 7-speed dual clutch gearbox (DSG), fuel consumption drops further to 4.5 Shutting down the second and third cylinders under low- and medium-load states reduces fuel consumption in the EU driving cycle by about 0.4 Polo BlueGT. Click to enlarge.

2012 88

NSF and DOE form Partnership on Advanced Combustion Engines; goal 25-40% better LDV fuel economy and 55% BTE in heavy-duty engines; $12M in awards for FY 2012-2014

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The high-level performance goals of the Partnership are a 25-40% improvement in fuel economy in a light-duty vehicle (LDV) and achieving 55% brake thermal efficiency (BTE) in heavy-duty engine systems. The Directorate for Engineering is now seeking proposals (NSF 12-559) for awards totalling up to $12 million for FY 2012, 2013, and 2014, pending availability of funds. bio-derived) fuels have the potential to dramatically increase fuel economy.

2012 84

BMW upgrading 1 and 3 Series models with focus on fuel economy and emissions; BMW 114d to debut with 1.6L diesel

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BMW is making a number of enhancements to its 1 and 3 Series in fall 2012. Too, the BMW 320i EfficientDynamics Edition Sedan will be available as the first gasoline-driven model with additionally enhanced technology for reducing fuel consumption and exhaust emissions. The number of BMW Models that conform with EU6 exhaust emission requirements will increase. The range of diesel engines available for the BMW 1 Series is being further extended as from the autumn of 2012.

2012 80

2012 Hyundai Accent first to receive 1.6L GDI Gamma engine; 18% improvement in highway fuel economy to 40 mpg

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Hyundai Motor America introduced the all-new 2012 Accent at the New York International Auto Show; this marks the US debut of the latest version of the popular subcompact sedan and the new Accent five-door. The 2012 Accent is slated to hit dealerships this summer. The 2012 Accent is the first vehicle to receive the all-new 1.6-liter GDI Gamma engine ( earlier post ), paired with proprietary six-speed automatic or manual transmissions. Total fuel savings.

2011 83

Toyota introduces 7th generation Camry for 2012 with improved fuel economy and performance across all models; ~39% jump in EPA city cycle fuel economy for the hybrid

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2012 Camry Hybrid. The 2012 Camry again offers three powertrain choices, all of which have been enhanced for 2012 to provide better fuel economy and more responsive performance: a revised 2.5L, 4-cylinder gasoline engine; an enhanced 3.5-liter V6; and a highly revised version of the Hybrid Synergy Drive powertrain for the Camry Hybrid, including a new 2.5-liter 4-cylinder engine (the new 2AR-FXE, a variant of the Camry 2AR-FE 2.5L). Click to enlarge.

2011 73

GM: new Sierra 5.3L V-8 EcoTec3 highway fuel economy tops Ford EcoBoost V-6

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In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L Ti-VCT V-8 and 3 mpg higher than a Ram V8, Sierra’s new V-8 highway fuel economy estimates also measure higher than those of the 2013 Ford F-150 EcoBoost V-6 (23 mpg for the Sierra, 22 mpg for the Ford EcoBoost F-150), GM noted. 2WD Pickup truck fuel economy comparisons. Fuel economy. Engines Fuel Efficiency2014 5.3L

Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

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The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Although there is a great deal of effort focused on the engine control strategies for combustion-based reduction of both, actual deployment is limited due to the well-known trade-off between the two criteria pollutants (reducing one increases the other) as well as a fuel economy penalty incurred with some in-cylinder technologies, the researchers note.

2012 78

Ford to offer cylinder deactivation for 1.0L EcoBoost in 2018; 6% fuel economy boost; global first for a 3-cylinder

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liter EcoBoost gasoline engine with innovative cylinder deactivation technology for further reducing CO 2 emissions and improving fuel efficiency by up to 6%. EcoBoost with cylinder deactivation will debut in early 2018, becoming the first production three-cylinder engine with that fuel-saving feature. In 2014, the 1.0-liter EcoBoost became the first engine to be named overall International Engine of the Year for a third time in a row, and also was in 2012 named “Best New Engine.”.

2016 83

BMW boosts fuel economy with climate control

Green Cars News

Reducing fuel consumption isn’t all about tweaking the engine – BMW has managed it by introducing a new automatic climate control system. The system, being featured in the new BMW 3 Series, not only offers automatic air circulation control – which is used when there are increased concentrations of exhaust gases or fine particulates, such [.].

New Chrysler 300 Luxury Series sedan mates 8-speed automatic to V6 Pentastar; up to 17% improvement in fuel economy

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Designed to be the most fuel-efficient Chrysler flagship sedan yet, the new 2012 Chrysler 300 Luxury Series combines an eight-speed automatic transmission with the 292 hp (218 kW) 3.6-liter Pentastar V-6 engine to deliver 31 mpg US highway (7.6 The new model delivers up to a 17% fuel economy improvement compared with the previous generation six-cylinder Chrysler 300 AWD models equipped with 5-speed transmissions. Engines Fuel Efficiency Transmissions

2011 83

SwRI develops D-EGR demonstrator highlighting fuel-efficient, cost-effective engine; 10% and above fuel economy improvements

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Southwest Research Institute (SwRI) has built a demonstrator vehicle, based on a 2012 Buick Regal GS, incorporating the latest D-EGR (dedicated EGR) technology ( earlier post ), an outgrowth of SwRI’s HEDGE (High Efficiency Dilute Gasoline Engine) consortium projects ( earlier post ). D-EGR is an engine and control concept that combines fuel reforming to produce hydrogen with high levels of exhaust gas recirculation (EGR) to achieve very high levels of thermal efficiency.

2014 94

Opel launching new all-aluminum 1.0L 3-cylinder turbo for Adam; fuel economy and refinement

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SIDI Turbo (Spark Ignition Direct Injection) generates more torque throughout its operating range than equally powerful, higher displacement engines, while fuel efficiency is improved by 20% compared to Opel’s current 1.6-liter naturally aspirated power unit. In developing this small engine, we not only set out to minimize fuel consumption and CO 2 emissions, we also wanted to demonstrate that three cylinders can be just as refined as four or more. Engines Fuel Efficiency

2013 83

New Zealand Will Not Implement Fuel Economy Standard

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The government of New Zealand will not proceed with developing and implementing fuel economy standards as proposed by the previous government. While the details of the scheme were never confirmed, it would have meant that importers of less fuel-efficient vehicles would have needed to buy credits, and more fuel-efficient vehicles would have been awarded credits. Transport fuels will of course be included in the Emissions Trading Scheme.

Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

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In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter V8 by operating using Dynamic Skip Fire. GM has been working closely with Tula Technology; in 2012, GM Ventures made an equity investment in Tula. Meaning, DSF reduces fuel consumption by 14-18% over V8. Engines Fuel Efficiency Vehicle Systems

2016 65

New Zealand will not implement fuel economy standard

Green Cars News

The previous government in New Zealand may have proposed a fuel economy standard, but now the new government has announced it will not proceed with those plans. Though details of the scheme were never confirmed it was believed it would have meant that importers of less fuel efficient vehicles would have had to buy credits, whereas the more fuel efficient vehicles would have been rewarded credits.

Mercedes brings lean-burn, stratified BlueDirect to CLA-Class for 7% boost in fuel economy; new all-wheel A-Class diesels

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Mercedes-Benz announced that seven new versions of the Mercedes-Benz A-, B- and CLA-Class now offer enhanced fuel savings compared with their respective predecessors. The 2.0-liter, four-cylinder engine of the new CLA 250 is a member of the BlueDIRECT family of gasoline engines, and was first applied in combination with exhaust-gas turbocharging and external high-pressure exhaust gas recirculation in the E 250 Coupé introduced last year ( earlier post ). (It

2014 83

DOE awards $1.5M to Gentherm (Amerigon) for thermoelectric-based energy recovery system for heavy-duty vehicles; expands existing LDV program

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The TEG technology, which converts waste heat from gas exhaust into electric energy and has the potential to improve passenger car fuel efficiency by as much as 5%. The project, to be completed by early 2015, will scale up the passenger car TEG and integrate it with a 15-liter diesel engine to provide fuel economy improvement and auxiliary power for combat vehicles. TEG & Exhaust System in Lincoln MKT. Fuel Efficiency Thermoelectrics Waste Heat Recovery

2012 111

Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

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Although gasoline direct injection engines (GDI) are a favorable technology for reducing fuel consumption and greenhouse gas emissions, recent studies have shown that GDI vehicles could emit more PM than traditional PFI (gasoline port fuel injection) vehicles as well as heavy-duty diesel trucks equipped with diesel particulate filters. The major difference between the PFI and GDI engines lies in the fuel injection method and mixture preparation.

2014 81

Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

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A simple Organic Rankine Cycle (ORC) waste heat recovery system could recover up to 10% of engine waste heat under highway driving conditions, corresponding to a potential 7% improvement in fuel consumption in a light-duty plug-in hybrid electric vehicle (PHEV), with low penalization of the added weight to the vehicle electric range, according to a simulation study by researchers from the University of Stuttgart and the Ohio State University. Exhaust gas exergy map of EcoCAR engine.

2012 103

Opel presents new midsize gasoline engine at Aachen Colloquium; fuel consumption down 13%, torque and power up 33%

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The all-new 1.6-liter, four-cylinder, SIDI (spark ignition direct injection) ECOTEC Turbo engines, which begin Opel’s renewal of its powertrain portfolio, deliver improved fuel consumption, performance and refinement. CO 2 emissions and fuel consumption have been cut by 13% compared to the predecessor engine, while peak torque and peak power have been increased by up to 33%. The exhaust side shaft features cast iron gears to reverse rotational direction of the exhaust shaft.

2012 113

CPT launching water-cooled electric supercharger for commercial diesel engines

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Cobra could enable a 5–10% reduction in CO 2 emissions when implemented in conjunction with engine downsizing and down speeding strategies, and potentially more when used in conjunction with alternative fuels, according to CPT. Commercial vehicle transport managers and off road operators certainly don't want to be wasting fuel and ultimately it’s always the metric they use for deciding whether emissions technology is cost effective or not. Cobra electric supercharger.

2012 118

PowerDriver simulations predict thermoelectric exhaust waste heat recovery output of 300W, -2.5% in fuel consumption; prototyping begins

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The European Union-funded PowerDriver project—a two-year, €3-million (US$4-million) research project initiated in February 2012 to turn exhaust gas waste heat into electricity using thermoelectric generator (TGEN) technology—has completed simulation work on on a potential automotive application. Results suggest TGEN output of 300W and equivalent fuel saving over the NEDC drive cycle of 2.5%. Fuel Efficiency Nanotech Thermoelectrics

2013 76

New 450hp Small Block V8 for 2014 Corvette features direct injection, cylinder deactivation, continuously variable valve timing

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It will also deliver the most fuel-efficient Corvette ever, exceeding an EPA-estimated 26 mpg US (9.0 The new Corvette LT1 engine, the first of the Gen 5 family of Small Block engines, combines several advanced technologies, including direct injection, Active Fuel Management and continuously variable valve timing to support a new advanced combustion system with an 11.5:1 This is achieved by precisely controlling the mixture motion and fuel injection spray pattern.

2012 116

Audi A3 launching with new 4-cylinder engines; cylinder-on-demand, supplementary indirect injection, start-stop and modular efficiency technologies

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The start-stop system utilizes a new glass mat battery and reduces fuel consumption by up to 0.3 In the previous model, some of the gasoline engines were mounted with a forward tilt of 10 degrees, and their exhaust side faced the radiator grille, while the exhaust side of the TDI engine faced the bulkhead. In the new A3, all gasoline engines have their exhaust side facing the rear, and—like the diesel engines—they are also tilted 12 degrees towards the rear.

2012 109

J.D. Power and Associates study finds EPA emission-compliant heavy-duty engines yielding increase in engine problems, decline in satisfaction

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Technology changes related to revised emissions standards for heavy-duty trucks are causing an increase in heavy-duty truck engine problems and a decrease in overall satisfaction with the powertrain, according to the JD Power and Associates 2012 US Heavy-Duty Truck Engine and Transmission Study. In addition, the average number of engine- and fuel-related problems has increased to 81 problems per 100 vehicles (PP100) from 71 PP100 in 2011. The 2012 U.S.

2012 91

BorgWarner three-stage turbocharging system for BMW M diesel

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Compared with the 3.0-liter six-cylinder diesel engine in the BMW 740d boosted by a BorgWarner regulated two-stage (R2S) turbocharging system, the BMW M550d xDrive Sedan with BorgWarner’s three-stage turbocharging technology increases power output nearly 25% and improves fuel economy 8% while meeting Euro 6 emissions standards. For effective and efficient boost pressure, the exhaust flow and the supply of fresh air is regulated with maximum precision.

2012 96

Ram Truck confirms all-new commercial large van for N America based on Fiat Ducato

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For 2013, Cummins-powered Ram-brand pickups and chassis cabs offer features that include: Best-in-class torque and a 10% fuel-economy improvement; Exclusive dual-inlet “Ram Active Air” that adjusts induction according to driving conditions for optimal performance; “Smart” exhaust brake for smoother driving characteristics; 15,000-mile oil-change interval; A new cooling system for improved performance and durability; B20 fuel capability.

2012 87

Prius c hybrid goes on sale in US with entry MSRP of $18,950; new transaxle, motor technology

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With the Prius c (sold as the Aqua in Japan, earlier post ), Toyota is striving to strike a balance between fuel efficiency, styling, intelligent connectivity and affordability to attract younger, eco-conscious buyers who may have desired, but couldn’t afford, a hybrid. Estimated EPA fuel economy ratings are 53/46/50 mpg US city/highway/combined (4.4/5.1/4.7 The engine also uses Sequential Multiport Fuel Injection (SFI) and Electronic Spark Advance (ESA).

2012 115

Renault improves fuel efficiency of Kangoo and Kangoo Express ENERGY dCi 75 and 90 to equivalent of 54.7 mpg US with stop/start and energy management

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Renault has further improved the fuel economy of its diesel-powered light commercial van Kangoo and Kangoo Express with the ENERGY dCi 71 and 90 models. The four-cylinder, 1.5-liter engine also features low-pressure exhaust gas recirculation (EGR), DLC-coated (Diamond Like Carbon) cam followers, and ANI fuel injection nozzles (with individualized spray cone angle).

2012 78

Volkswagen’s 1.0L eco up! natural gas vehicle offers 79g CO2/km

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Although the 12-valve engine was specially configured to operate with natural gas, as an alternative it can be fueled with unleaded premium gasoline. The two overhead camshafts are driven by toothed belts; the intake camshaft is variable, further reducing emissions and fuel consumption and improves the power curve in the lower rev range. The engine’s dual-circuit cooling system and integrated water-cooled exhaust manifold enable short engine warm-up times. The eco up!

2012 98

FEV displays Ford 1.0L EcoBoost engine at SAE World Congress; provided early development support

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I3 Ford EcoBoost at the SAE 2012 World Congress. The EcoBoost engine represents one of the recent trends in the automotive industry, a move towards downsized and highly boosted engines that deliver higher power and better fuel economy than the larger engines they replace. And these engines are capable of doing that with very low exhaust emissions levels. FEV, Inc., is showing the 1.0L Earlier post.)

Delphi and partners advancing with high-efficiency, low-emission gasoline compression-ignition combustion

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Mark Sellnau, Engineering Manager of Advanced Powertrain Technology at Delphi Powertrain, reported on the progress with GDCI at both the SAE 2012 High Efficiency IC Engines Symposium and the SAE 2012 World Congress in Detroit this week. At a low-load condition of 1500 rpm-2 bar IMEP, Delphi used a secondary-exhaust-valve-lift event to rebreathe hot exhaust gas and promote autoignition. Emissions Engines Fuel Efficiency Low Temperature Combustion

2012 83