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

Green Car Congress

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

2012 Subaru Impreza with 30% fuel economy improvement uses BorgWarner variable cam timing technology

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BorgWarner’s Cam Torque Actuated (CTA) variable cam timing (VCT) technology ( earlier post ) with new mid-position lock system ( earlier post ) helps improve fuel economy for the 2012 Subaru Impreza. According to Subaru, the 2012 Impreza offers 30% better fuel economy compared with the previous model year.

2012 85

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Nissan boosts fuel economy of 2013 Pathfinder SUV by 30%, drops weight by 500 lbs

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Nissan’s new 2013 Pathfinder SUV—the 4 th generation of the vehicle introduced more than 25 years ago— utilizes a new drivetrain featuring a 3.5-liter DOHC V6 engine mated to a next-generation Xtronic CVT (Continuously Variable Transmission) to help provide up to a 30% increase in combined city/highway fuel economy over the previous V6-equipped model while maintaining comparable power. By comparison, the 2WD MY 2012 Pathfinder, equipped with a 6-cylinder, 4.0L

2012 105

New generation Nissan Pathfinder SUV improves fuel economy by more than 30% over 2012 model

Green Car Congress

The 2013 Pathfinder’s fuel economy has improved more than 30% over that of the 2012 Pathfinder. This significant increase fuel economy was achieved primarily through the new, aerodynamic vehicle design; a 500-pound weight reduction, reduced engine friction and the application of a class-exclusive, next-generation Xtronic CVT. All 2013 Pathfinders come equipped with a 260 hp (194 kW) 3.5-liter DOHC V6 engine matched with the Xtronic CVT.

2012 81

NREL study finds 2nd-generation diesel hybrid delivery vans show significant gains in fuel economy over conventional vans

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Laboratory and in-use fuel economy results Source: NREL. The US Department of Energy’s (DOE)’s National Renewable Energy Laboratory (NREL) has published a report on an 18-month evaluation of in-service second-generation diesel-electric hybrid delivery vans and found significant fuel economy benefits of the hybrids compared to similar conventional vans. The NREL team evaluated fuel economy during equal 5-month periods from different years.

2012 113

ORNL-developed ACMZ aluminum alloy promises better fuel economy

Green Car Congress

Researchers at ORNL, in partnership with FCA US and Nemak USA, have developed a new suite of aluminum-based alloys that could give automakers a boost in achieving ambitious fuel economy goals. Affordable, lightweight and capable of withstanding temperatures 100 degrees Celsius higher than commercially available automotive cast alloys, ACMZ is proving to be suitable for the next generation of more fuel-efficient internal combustion engines.

2018 69

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

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BorgWarner says that its Valve-Event Modulated Boost (VEMB) system can offer a total possible fuel economy improvement of 6% at low speeds to 17% at high speeds over already downsized and turbocharged engines by separating the exhaust event into an early blow-down phase directed toward the turbo and a late scavenge phase directed toward the EGR system. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.

2012 78

Ford introduces new Transit family in North America; emphasis on improved fuel economy in commercial vehicle segment

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With the full size Transit, Ford is moving from an exclusively gasoline engine lineup of two V8s and a V10 in the E-Series to offering a standard 3.7-liter V6, the same 3.5-liter EcoBoost engine used in Ford F-150 and an all-new 3.2-liter Power Stroke Diesel option ( earlier post ). Ford says that the Transit will achieve an average of 25% better fuel economy and haul at least 300 pounds more than today’s E-Series. Engines Fleets Fuel Efficiency

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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MJ/kg) (4000 RPM) between 250cc Pinnacle and 200cc poppet valve engine. 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.

2012 101

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 TSI in the Polo BlueGT is the top engine of the entirely new EA211 series of petrol engines. Engines Fuel Efficiency Vehicle SystemsPolo BlueGT.

2012 88

Average fuel economy of new vehicles in the US climbed to 23.0 mpg in January

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The average fuel economy of new vehicles sold in the US. The EDI takes into account both vehicle fuel economy and distance driven (the latter relying on data that are published with a two-month lag). The average sales-weighted fuel economy was calculated from the monthly sales of individual models of light-duty vehicles (cars, SUVs, vans, and pickup trucks) and the EPA “combined” fuel-economy ratings for the respective models.

2012 81

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

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 Directorate for Engineering at the National Science Foundation (NSF) has established a partnership with the Vehicle Technologies Program (VTP) of the US Department of Energy (DOE) to address critical fundamental and applied research challenges associated with advanced combustion engine technologies. 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.

2012 84

Schaeffler bringing thermal management module to North American market; up to 4% improvement in fuel economy

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Rotary slide valves controlled by sensors enable the ideal temperature window for the engine and transmission to be reached quickly. Through the proactive management of engine, transmission, hybrid component and battery temperature, Schaeffler’s Thermal Management Module improves fuel economy by as much as 4%, according to the company. The engine temperature can also be lowered under full load conditions, reducing knocking and fuel enrichment.

2012 81

NASA Glenn develops automated flywheel pulse-and-glide system; improving fuel economy up to 40-100%

Green Car Congress

Innovators at NASA’s Glenn Research Center have developed an automated pulse-and-glide technique using a flywheel energy storage system for on-road vehicles; the technology, which NASA Glenn says can improve fuel economy over existing internal combustion or battery hybrid systems by 40-100%, is available for licensing. in their 2009 study, a driver in a conventional vehicle must shut off the engine manually to apply this strategy optimally.).

2013 122

ORNL-developed ACMZ aluminum alloy promises better fuel economy

Green Car Congress

Researchers at ORNL, in partnership with FCA US and Nemak USA, have developed a new suite of aluminum-based alloys that could give automakers a boost in achieving ambitious fuel economy goals. Affordable, lightweight and capable of withstanding temperatures 100 degrees Celsius higher than commercially available automotive cast alloys, ACMZ is proving to be suitable for the next generation of more fuel-efficient internal combustion engines.

2018 60

Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

Green Car Congress

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration. The shift schedule optimization technique resulted in fuel economy gains of up to 12.2% The team presented its work at the SAE 2012 World Congress.

2012 73

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. Their paper appears in the International Journal of Engine Research. International Journal of Engine Research doi: 10.1177/1468087412456528.

2012 83

New Ford Police Interceptors deliver up to 35% better fuel economy when idling

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The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. But as law enforcement vehicles spend the majority of their lives idling, Ford engineers also tuned the Police Interceptor sedan and utility vehicle models to save fuel even when they are standing still, with no sacrifice to pursuit performance. Fuel economy test results from the LA Sheriff’s Department 2012 evaluations.

2012 81

Chrysler unveils 2013 Ram with array of new systems focused on fuel economy

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Chrysler unveiled the 2013 Ram pickup, featuring an array of fuel-saving systems including a more fuel efficient and more powerful 3.6-liter V-6 engine; eight-speed automatic transmission; stop-start system; thermal management system; pulse-width modulation to reduce parasitic electrical load; and active aerodynamics, including grille shutters and air suspension. Specific fuel economy figures are note available yet.) improvement in fuel efficiency.

2012 86

2011 edition of EPA Fuel Economy Trends report shows several advanced powertrain technologies making significant gains

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The average fuel efficiency for new cars and light duty trucks has increased while the average carbon dioxide (CO 2 ) emissions continue to decrease for the seventh consecutive year, according to the 2011 edition of the US Environmental Protection Agency’s (EPA) annual report, “Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends: 1975 Through 2011.”. Fuel economy improvements for diesels range from 15% to 30% relative to gasoline counterparts.

2012 83

Study finds hitting thermodynamic sweet spot in dilute, boosted gasoline engines has potential for fuel economy gains between 23% and 58%

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A study by a team led by Dr. Dennis Assanis at the University of Michigan suggests that accessing the “thermodynamic sweet spot” in high-efficiency, dilute, boosted gasoline engines has the potential for vehicle fuel economy gains between 23% and 58%. Their paper is published in the International Journal of Engine Research. The intent is to identify the benefits of this approach and the path to achieving optimum engine and vehicle-level fuel economy.

2012 83

Mercedes-Benz introducing diesel E 300 BlueTEC HYBRID with fuel economy of 56 mpg US; gasoline-engined E 400 HYBRID model to follow

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Mercedes-Benz is introducing the new E 300 BlueTEC HYBRID; the luxury-class diesel hybrid offers fuel consumption of 4.2 The E 300 BlueTEC HYBRID is based on the E 250 CDI, yet has a higher output and approximately 15% lower fuel consumption. This diesel hybrid will be available in the European market as a Saloon and Estate from the third quarter 2012. Engine. The combustion engine shuts down and the desired speed is maintained by the electric?motor

2012 105

New Ford Police Interceptors deliver up to 35% better fuel economy when idling

Green Car Congress

The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. But as law enforcement vehicles spend the majority of their lives idling, Ford engineers also tuned the Police Interceptor sedan and utility vehicle models to save fuel even when they are standing still, with no sacrifice to pursuit performance. Fuel economy test results from the LA Sheriff’s Department 2012 evaluations.

2012 80

Nissan reveals fuel economy figures for new Sentra

Green Cars News

It is an impressive 150lbs lighter than the previous model and boasts a brand new 1.8litre engine with next generation Xtronic CVT technology: so it’s no wonder then that the new Nissan Sentra (pictured) offers some impressive fuel economy figures. The fuel-efficient engine, lightweight design and aerodynamic features have helped the Sentra to fuel economy [.]. Green cars Latest news Nissan fuel economy green cars Nissan Altima Nissan Sentra

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. Fuel economy test summary.

2012 76

Nissan improves Pathfinder fuel economy by 30 per cent

Green Cars News

The vehicle boasts an improvement in fuel economy of 30 per cent thanks to a host of innovations including: an aerodynamic design; reduced engine friction; next-generation Xtronic CVT; and a 500lb weight reduction. Green cars Latest news Nissan fuel economy green cars Nissan PathfinderSUVs are rarely all that “green” – but the new Nissan Pathfinder SUV (pictured) may change that perception.

SUV 51

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. New 1.8-liter engine and advanced CVT. Fuel Efficienc

2012 81

Mitsubishi Mirage delivers kei-car rivaling fuel economy with more space and size

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It’s a regular compact car with a 3-pot 1 liter engine, not the 660 CC motors found in kei cars. And even though it’s 40 cm longer—giving a much more roomy interior—the use of high-performance steel in the engine bay keeps its weight down to just 830 kg, only 100 kg more than the Daihatsu e:S.The exact figure is still all hush-hush, but Mitsubishi says that the 1 liter Mirage will come in at under 1 million Yen [US$12,655] in Japan. Integrity Exports.

2012 83

Ford’s math on hybrid fuel economy; standing by the C-MAX EPA ratings, acknowledging large real-world variance

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Raj Nair outlining factors affecting real-world fuel economy in hybrids. At Friday’s event unveiling the new Transit commercial vehicle family for North America ( earlier post ), Ford’s Raj Nair, group vice president global product development, spent some time addressing the issue of the large discrepancy between real-world fuel economy results for the C-MAX hybrid and its EPA fuel economy ratings—47 mpg (5.0 Fuel Efficiency Hybrids

2012 83

Variable Supercharger Blends Fuel Economy, Performance: Video

Green Car Reports

There’s a lot to be said for maximum torque at zero rpm, something internal combustion engines (ICE) can’t match. Contrary to popular belief, not all of us who love speed embrace gas-guzzling V-8s. Many of us can’t wait for the day when affordable performance cars come in electric-powered versions, too. That said, one company is

Volkswagen launches second-generation Santana; up to 28% improvement in fuel economy and CO2 emissions

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The new Sanata improves fuel economy and CO 2 emissions by up to 28% compared to the previous model. The Santana is powered exclusively by naturally-aspirated four-cylinder engines of the newly developed EA 211 gasoline engine series. The 1.4-liter version produces 66 kW / 90 PS / 89 hp and has a combined fuel consumption of 5.9 l/100 km (40 mpg US), while the 1.6-liter has 81 kW / 110 PS / 109 hp and fuel consumption of 6.0

2012 78

Ford expects 95 MPGe combined fuel economy, 20-mile all electric range from C-MAX Energi plug-in hybrid

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Ford expects the new Ford C-MAX Energi plug-in hybrid (PHEV) ( earlier post ) to achieve more than 20 miles of electric-only range and a 550-mile overall range on a single tank of fuel. Fuel economy is the equivalent of 95 miles per gallon (MPGe) (2.5L/100km equivalent) combined city/highway. The C-MAX Hybrid (conventional version) is projected to have fuel economy of 47 mpg on the city cycle.

2012 85

UMTRI: average sales-weighted fuel economy of purchased new vehicles in US dropped 0.2 mpg in May from April

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The average sales-weighted fuel economy (adjusted EPA window sticker value) of new vehicles purchased in the US dropped 0.2 UMTRI average sales-weighted fuel economy. The average sales-weighted fuel economy is calculated from the monthly sales of individual models of light-duty vehicles (cars, SUVs, vans, and pickup trucks) and the combined city/highway fuel-economy ratings published in the EPA Fuel Economy Guide (i.e.,

2012 78

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

GM targets tyres in effort to boost fuel economy

Green Cars News

While most fuel saving efforts from car manufacturers may focus on the powertrain and alternative fuels, GM has decided to take a closer look at tyre technology. Its engineers and scientists are set to begin work at the National Tyre Research Centre this January in an effort to boost tyre technology, after the company made [.]. GM Green cars Latest news fuel economy General Motors green cars Tyres

Honda boosts performance and fuel economy on 2013 CR-Z Sport Hybrid Coupe using new Li-ion pack

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The 2013 Honda CR-Z goes on sale 21 November with a number of powertrain, styling and feature upgrades, including a new Li-ion battery pack that replaces the NiMH pack in the MY 2012 CR-Z hybrid and delivers more power and improved fuel economy. The new, more powerful Lithium-ion battery pack helps boost EPA-rated fuel economy figures by 1 mpg city for CVT equipped models, and 1 mpg highway for CR-Z models equipped with the six-speed manual transmission.

2012 85

VW Diesel Buyers, Hybrid Buyers: Both Want Fuel Economy, But Beyond That.

Green Car Reports

When the 2013 Volkswagen Jetta Hybrid arrives at dealers in late December or early January, VW will become the only carmaker offering both a diesel engine and a hybrid model of the same compact sedan. Why two such different approaches? Because, Volkswagen says, the audiences for the two cars are actually very different--and there's very little

2012 81

Consumer Reports testing finds many small turbo engines underperforming; fuel economy, acceleration no better than in larger conventional powertrains

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Consumer Reports’ own fuel economy tests of vehicles equipped with small turbocharged engines has found in many cases that the turbocharged cars tested by CR have slower acceleration and no better fuel economy than the models with larger conventional engines, the organization said. Consumer Reports tests many cars with small, turbocharged engines, and many competitors with traditional, naturally aspirated engines, large and small. Engine.

2013 99

2015 BMW 740Ld xDrive Diesel: Fuel Economy Review

Green Car Reports

For long road trips, there are few better ways to travel than in a large German luxury sedan with a diesel engine. DON'T MISS: 2012 Mercedes-Benz S 350 BlueTEC: One Week In 32-MPG Diesel Luxury We learned that lesson three years ago, when we tested a Mercedes-Benz S-Class diesel, and now we've had a chance to drive its BMW counterpart as well.

2015 79

Oak Ridge-GM prototype low-viscosity ionic liquid-additized engine oil delivers 2% fuel economy improvement over 5W-30

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Prototype low-viscosity ionic liquid-additized engine oil demonstrated a 2% improved fuel economy compared to Mobil 1 5W-30 engine oil (3.93% over the 20W-30 baseline oil) in standard fuel efficiency engine dynamometer tests. The prototype oil also successfully passed a 100-hour high-temperature, high-load engine dynamometer test. Fuel Efficiency Lubricating Oils

2013 118

Demonstration series hydraulic hybrid transit bus yields fuel economy of 6.9 mpg, 110% better than conventional diesel, 30% better than electric hybrids

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The BUSolutions demonstrator LCO-140H (Low Cost of Ownership–1 st 40-foot Hybrid) series hydraulic hybrid transit bus yields fuel economy of 6.9 The goal was to develop a significantly lighter-weight, heavy-duty bus design that yields superior fuel efficiency to conventional buses at a lower lifecycle cost. The four main areas of focus for reducing the lifecycle cost of the new bus were purchase price; fuel economy; scheduled maintenance; and unscheduled maintenance.

2012 98

New hull design boosts fuel economy of ultra-large container ships up to 20%

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A collaboration involving APL, Hyundai Heavy Industries and DNV has resulted in a hull design that will make APL’s 10 new ultra-large container ships some 20% more fuel efficient per TEU (twenty-foot-equivalent unit, the cargo capacity of a standard intermodal container) compared with existing designs. The resulting fuel savings will be worth about US$3 million per ship per year to APL. These ships will be the most fuel-efficient ships ever built to the Asia-Europe container trade.

2012 83