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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.

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Nissan launches new Note Aura in Japan; enhanced e-POWER electrified powertrain

Green Car Congress

e-POWER uses a highly efficient gasoline engine to generate electricity for the electric motor that propels the vehicle. The onboard gasoline engine used to generate electrical energy is also more efficient, resulting in both increased power and better fuel economy. The new inverter is 40% smaller and 30% lighter.

Aura 435
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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

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2017 Chrysler Pacifica Hybrid PHEV minivan EPA-rated at 84 MPGe in electric-only mode; role of eFlite dual-motor/one-way clutch strategy

Green Car Congress

Exceeding its initial program targets, the plug-in 2017 Chrysler Pacifica Hybrid ( earlier post ) has earned an electric-mode fuel economy rating of 84 miles-per-gallon-equivalent (MPGe) from the US Environmental Protection Agency (EPA). No other minivan has ever come close to this rating. (As Click to enlarge.

Minivan 150
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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

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

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

Green Car Congress

EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013. Fuel economy.

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

Green Car Congress

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. improvement in fuel economy on an E-class vehicle (e.g.,