Hyundai Motor Group unveils CVVD engine technology; +4% performance, +5% fuel economy, -12% emissions

Green Car Congress

T-GDi—the first engine to feature the technology. CVVD optimizes both engine performance and fuel efficiency while reducing emissions. This helps to improve fuel efficiency by reducing the resistance caused by compression. T-GDi engine.

2019 112

EPA’s annual automotive trends report shows slight increase in fuel economy from MY2017 to MY2018

Green Car Congress

In the US, Model Year (MY) 2018 vehicle fuel economy was 25.1 Since MY 2004, CO 2 emissions have decreased 23%, or 108 g/mi, and fuel economy has increased 30%, or 5.8 Tesla improved fuel economy (as measured in miles per gallon of gasoline equivalent, or mpge).

2020 83

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Mazda's SkyActiv-X: diesel fuel economy from gasoline engine

Green Car Reports

The internal combustion engine, now more than 200 years old, will be with us for a long time to come yet. combustion cycle HCCI Fuel Economy SKYACTIVPowering more than 1 billion vehicles on the planet and almost 100 million new ones each year, it is the default way to move vehicles along the world's roads. With its carbon emissions now conclusively implicated in climate change, electric.

2017 66

Volkswagen Millerized 1.5 TSI ACT BlueMotion gasoline engine offers diesel-like fuel economy; derivatives may be applied in hybrid systems

Green Car Congress

Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 Engines Fuel Efficiency Vehicle Systems

2018 113

DOE: in 2018, 27% of new light-duty vehicles in US had fuel economies > 30 mpg

Green Car Congress

In 2018, 27% of new light-duty vehicles sold in the US had fuel economies of more than 30 miles per gallon (783 l/100 km), according to the US Department of Energy (DOE). had fuel economy over 30 mpg; by 2018, that share had grown to 27%. Fuel Efficiency

2019 106

BorgWarner Exhaust Heat Recovery System for hybrids can improve fuel economy by up to 8.5%

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Developed for hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs), BorgWarner’s innovative Exhaust Heat Recovery System (EHRS) can improve fuel economy by up to 8.5% As a result, the engine warms up faster.

2018 113

Ford Model T: what was its fuel economy, really?

Green Car Reports

In a recent video posted to YouTube, environmental advocacy group The Sierra Club dialed up production values to call out Ford's lobbying efforts to roll back fuel-economy standards. The video showed a man getting into a modern-day Ford, starting the engine, then noting the shift lever had an array of reverse gears but no forward drive. History Fuel Economy Ford Model T

2018 69

International Truck ships first on-highway vehicles with A26 engine; up to 9% fuel economy improvement

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International Truck has started customer shipments of its first International LT Series and International RH Series vehicles with the company’s 12.4-liter engine. lighter than a traditional 15L big bore engine. Diesel Engines Fuel Efficiency Heavy-duty

2017 78

Buick launches new $12.9k Excelle in China with new engine and start/stop; 30% improved fuel economy over predecessor

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Ecotec engine that is characterized by high efficiency, reliability and durability, and low fuel consumption. engine in the previous Excelle. Matching the engine is an efficient Continuously Variable Transmission (CVT). The new-generation Excelle is also equipped with the intelligent start/stop system, which improves fuel economy by 30% compared to its predecessor to 4.6 China Engines Fuel Efficiency

2018 80

GM reveals new-generation ECOTEC 1.0T and 1.3T engines to be launched in China; up to 10% fuel economy improvement

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dual injection engines that are being launched in China. The turbocharged engines were developed as a global architecture with the support of GM’s worldwide manufacturing and supply chain networks. The new engines are leaders in performance and efficiency. engine and 5.8

2017 85

Studies highlight effects of different gasoline components on fuel economy, combustion and emissions

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Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. 2018a) is published in the journal Fuel , the second (Han et al. provided the test fuels.

2018 90

INFINITI unveils new QX50 with variable compression ratio engine; 35% improvement in fuel economy over prior FWD V6

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At the Los Angeles Auto Show, INFINITI revealed the all-new QX50—a premium mid-size SUV featuring the first production application of the VC-Turbo variable compression ratio engine, transforming on demand. The Atkinson cycle is commonly used in hybrid engines to maximize efficiency.

2017 85

Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

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Performance of the new ESTEC engine (1NR-FKE) compared to the current 1NR-FE engine applied in the Yaris. The Atkinson cycle with a high compression ratio is a common approach that hybrid vehicle engines use to enhance thermal efficiency. Engines Fuel Efficiency

2014 120

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 ).

2014 120

ORNL-developed ACMZ aluminum alloy promises better fuel economy

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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. Fuel Efficiency Materials Powertrain materials Weight reduction

2018 90

EPA fuel economy report finds weight and power leveling off, footprint stable

Green Car Congress

EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and Fuel Economy Trends. The report is the authoritative reference for real-world fuel economy, technology trends and tailpipe carbon dioxide emissions, for new personal vehicles sold in the US every year since 1975. The report found that fuel economy for the US fleet continues to improve. Pickup trucks increased fuel economy by 0.1

2018 88

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.

2013 127

Jaguar Land Rover expands Ingenium engine family with straight six-cylinder gasoline engine; MHEV 48V system; 20% more fuel efficient than outgoing V6

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Jaguar Land Rover is expanding its Ingenium engine family with a new six-cylinder gasoline engine designed and engineered in-house, and manufactured at its £1-billion Engine Manufacturing Centre (EMC) in Wolverhampton, UK. 48V Engines Fuel Efficiency Hybrids

2019 101

Tougher testing for emissions may mean bigger engines, but why?

Green Car Reports

Stricter global emissions standards have led many automakers to downsize engines, but that trend may be about to reverse itself. Cutting displacement is a relatively straightforward way to improve fuel economy. emissions CAFE Fuel Economy Turbocharging Corporate Average Fuel EconomyBut as regulators move toward adoption of more realistic testing procedures in the wake of the Volkswagen diesel scandal, automakers may.

2016 86

Will Fuel Economy Rules Require Future Cars To Use Premium Gas?

Green Car Reports

Carmakers are pursuing continual fuel-economy gains to meet the Corporate Average Fuel Economy (CAFE) standard of 54.5 Their engineers work to squeeze every last bit of efficient from cars and trucks, but so far there's been little consideration of the fuel itself. Some efficiency-focused upgrades to standard gasoline engines. Gasoline Fuel Economy octane

2015 78

Elaborate engine: Variable-compression Infiniti yields small efficiency gains

Green Car Reports

Turbocharging has mostly not lived up to its billing of being the savior of internal-combustion engine technology. Earlier this decade, facing increasing fuel economy requirements, automakers rushed to boost fuel economy by adding turbochargers to lots of small engines. Fuel EconomyThe problem is, many of them turned out not to be very efficient. As critics.

2018 71

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. Fuel Efficiency Materials Powertrain materials Weight reduction

2018 78

Volvo engines get to the ART of fuel economy

Green Cars News

Innovative technology has become integral in the fight to lower fuel consumption and emissions: and now Volvo can add its own masterpiece to the collection. Green cars Latest news Volvo fuel economy green cars i-ART techology Volvo Engine Architecture

Ford unveils new Focus; 10% better fuel economy; focus on tech; gasoline and diesel

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The new Focus features a broad suite of Ford advanced driver assistance technologies and advanced EcoBoost gasoline and EcoBlue diesel engines offering a 10% fuel-efficiency improvement across the range. Engines. An integrated intake manifold for optimized engine breathing.

2018 90

2017 Audi A3 replaces 1.8L with Millerized 2.0L TFSI; better fuel economy, power and torque

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The 2017 Audi A3 Sedan and Cabriolet models in the US are now available with Audi’s more efficient Millerized 2.0-liter TFSI engine ( earlier post ) and seven-speed S tronic dual-clutch transmission. l/100 km) from the 2016 A3 with the 1.8-liter engine (a 7.4% Engines Fuel Efficiency

2016 104

FCA US upgrades 3.6L Pentastar V-6; 2-step VVL, cooled EGR; up to 6% better fuel economy

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FCA has significantly its 3.6-liter Pentastar engine for MY 2016. Pentastar, first introduced in 2009 ( earlier post ), was the first of an all-new line of V-6 engines intended to improve fuel efficiency across the Chrysler, Jeep and Dodge lineup. improvement in fuel economy.

2015 115

Honda includes stop-start system in new 2016 Honda Pilot for improved fuel economy, new 9-speed

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The 2016 Pilot features a new 3.5-liter, direct-injected i-VTEC V-6 engine with two-stage Variable Cylinder Management (VCM) cylinder deactivation technology. Keeping the valves closed in the cylinder to stop fuel supply also prevents aspiration in that cylinder.

2015 132

Pinnacle Engines introduces new opposed-piston engine with a promise of 30-50% better fuel economy

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Illustration of a three-cylinder configuration of the Pinnacle opposed-piston engine. Startup Pinnacle Engines unveiled plans to commercialize a new, more efficient combustion engine by 2013. a Pinnacle Engines development partner. Engines

2011 105

Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

Green Car Congress

Robert Bosch LLC, AVL Powertrain Engineering and partners including the University of Michigan are working on a four-year, $24-million US Department of Energy (DOE)-supported project— Advanced Combustion Concepts—Enabling Systems and Solutions (ACCESS)—to achieve a 30% fuel economy improvement in a gasoline-fueled light-duty vehicle without compromising performance while also meeting SULEV emission standards. I4 Ecotec engine. Engine configuration.

2013 92

Infiniti variable-compression engine: more complexity, incremental gains

Green Car Reports

To meet stricter global emissions standards, carmakers are trying to squeeze every last bit of efficiency out of internal-combustion engines. That has led Infiniti to turn to a technology engineers have toyed with for some time, one that so far hasn't been used in production cars. Engines Fuel Economy Paris Motor ShowGeneral Motors, Mercedes-Benz, and Saab have all experimented with.

2016 85

Elio Motors to buy engines, abandons building its own

Green Car Reports

Elio Motors, which has been struggling since 2009 to build its own ultra-cheap, small, fuel-efficient, three-wheeled car, announced Thursday that it will source an engine from a major automaker. Previously, the company planned to build its own 3-cylinder engine with up to 55 horsepower for its projected 84-mpg three-wheeler. Fuel Economy

2018 75

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Cost of the new engine relative to gasoline baseline.

2014 149

Ford Engine Power, MPG Figures Tested Using Different Fuels

Green Car Reports

Most buyers likely assume that the conditions for rating a new car's fuel economy and engine performance are identical. For at least one carmaker--Ford--and possibly others as well, that turns out not to be the case: Different gasoline formulations are used to test gas mileage than are used for engine. Green E10 EPA Ratings Fuel Economy Gasoline horsepower octaneIt's all about the asterisk, it turns out.

2015 78

Mazda Predicts Further 30-Percent Efficiency Gain For Next SkyActiv Engines

Green Car Reports

While other manufacturers have turned to turbocharging and hybrids to boost fuel economy, Mazda has tried to squeeze the most it can out of unassisted internal-combustion engines. The company's SkyActiv line of efficiency-focused engines rely solely on tuning and some technical tricks to maximize gas mileage. SkyActiv engines have largely lived up. Fuel Economy SKYACTIV gasoline engines

2015 85

Ford moving to vehicle testing with advanced 2.3L MiGTDI engine research project; Tier 3 SULEV30 target with 25% fuel economy improvement

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MiGTDI engine. Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. The engine. Emissions Engines Fuel Efficiency

2014 109

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. It also offers consumer information and advice pertaining to vehicle fuel economy and energy-related issues such as driving tips. Engines Fuel EfficiencyJohn F. Thomas, Brian H.

2013 138

UPS updates 125 Workhorse E-GEN series hybrid electric step vans with smaller genset engine for better fuel economy

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UPS announced an update to 125 Workhorse E-GEN series hybrid electric delivery trucks that improve fuel economy as part of the company’s broader Rolling Laboratory approach. A compact, quiet-running 650cc 2-cylinder engine replaces the previous 2.4L

2016 78

New larger 2019 Volkswagen Jetta boosts fuel economy over curren generation

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The all-new 2019 Volkswagen Jetta, unveiled in January at the North American International Auto Show (NAIAS) in Detroit ( earlier post ) will offer improved EPA-estimated fuel economy for the model: 30 mpg city (7.8 Fuel Efficiency

2018 95

Sandia, TUD optical diagnostic helps reduce emissions while improving fuel economy

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Initially, the researchers have focused on the combustion of liquid fuel sprays found in engines, where the extreme pressures and temperatures create an environment that is optically challenging. The network promotes collaboration among engine researchers around the world.

2017 78

Complex engine tech gets better ratings, does little in real world: report

Green Car Reports

Lately, automakers haven't been touting the rising fuel economy of new vehicles, but it has to continue rising to meet reductions in the legal levels of carbon emitted. While major strides in fuel economy have been made over the past five years, the complex engine technologies and other improvements turn out to have less effect in real-world. emissions hybrid downsizing CAFE Fuel Economy Turbocharging EPA Ratings Corporate Average Fuel Economy

2017 71

Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

Green Car Congress

In October 2015, the US Department of Energy’s (DOE) launched a broad, joint effort to co-optimize the development of efficient engines and low greenhouse-gas fuels for on-road vehicles with the goal of reducing petroleum consumption by 30% by 2030 beyond what is already targeted.

2016 138

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 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. 16V engine. Engines Fuel Efficiency

2012 120

BMW says 85 percent of cars will still have engines in 2030

Green Car Reports

Once a leader in electric cars, BMW now says it expects 85 percent of its cars still to have internal combustion engines by 2030. Diesel Fuel EconomySpeaking to Australian reporters for GoAuto at the Paris auto show earlier in October, BMW board member for development Klaus Froehlich said, “A very optimistic scenario says 30 per cent of BMWs will be pure.

2018 88