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

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A team from Oak Ridge National Laboratory and General Motors, led by ORNL researcher Dr. Jun Qu, has developed a new group of ionic liquids as lubricant additives that could help improve the energy efficiency of cars and trucks. The prototype oil also successfully passed a 100-hour high-temperature, high-load engine dynamometer test.

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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 Meaning, DSF reduces fuel consumption by 14-18% over V8. liter V8 by operating using Dynamic Skip Fire.

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

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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.

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Report suggests that not following good eco-driving practices can lead to a reduction in on-road fuel economy of up to about 45% in total

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The types of vehicles consumers select has by far the most dominant impact on on-road fuel economy—the best vehicle currently available for sale in the US is nine times more fuel efficient than the worst vehicle. Average on-road fuel economy in the US for all vehicles in 2008 was 17.4 mpg US (13.5

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2012 Chevy Sonic with 1.4L Turbo delivers 40 mpg on highway

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L/100km) on the highway with a six-speed manual transmission and city fuel economy of 29 mpg (8.1 The Sonic’s highway fuel economy makes it one of the most fuel-efficient small cars in the market, with fuel economy equivalent to the 2012 Ford Fiesta SFE and on a par with the 2012 Hyundai Accent.

MPG 262
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2.5L engine for 2014 Chevy Impala features new Intake Valve Lift Control (IVLC)

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The mechanism is actuated by an oil control valve through a dual-feed stationary hydraulic lash adjuster. engine, featuring the debut of a new advanced variable valvetrain technology—Intake Valve Lift Control (IVLC, earlier post )—and improved fuel economy. Click to enlarge. l/100 km, respectively). Click to enlarge.

2014 191
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Chevy Equinox diesel offers EPA-rated 39 mpg hwy; starts at $31,435

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GM expects that number to top the segment in highway fuel economy, with greater highway mileage than the 2017 Toyota RAV4 hybrid (30 mpg) and Nissan Rogue hybrid (35 mpg FWD). is a clean-sheet redesign developed entirely within General Motors, including the engine control system. turbo-diesel engine. Earlier post.).

MPG 150