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NHTSA proposes updated CAFE standards for LDVs, fuel-efficiency standards for HD pickups and vans

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The proposal would also drive fuel efficiency improvements for heavy-duty pickup trucks and work vans. NHTSA’s proposed fuel economy standards complement and align with the Environmental Protection Agency’s recently proposed emissions standards for similar vehicle fleets.

Standards 283
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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. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine.

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Mack Granite CNG truck exclusively equipped with Allison’s 4500 Rugged Duty Series transmission

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When Mack set out to develop a vehicle for refuse collection customers seeking an alternative fuel solution, they were able to pair the proven 4500 RDS transmission with a 320-horsepower Cummins L9N engine. The 4500 RDS fully automatic transmission has been offered in the Mack Granite diesel model for more than 20 years.

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Cummins to begin electrified powertrain delivery in 2019; alternative fuels and power, digitalization

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executives outlined plans to provide a range of power technologies spanning diesel and natural gas engines to fully electric and hybrid powertrains. Longer term, Cummins’ Research and Technology Department continues to investigate the viability of alternatives such as biofuels, synthetic fuels and hydrogen.

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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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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 The smaller engine will improve fuel economy, however.

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EIA: China promoting both fuel efficiency and alternative-fuel vehicles to curb growing oil use

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To counter this trend triggered by China’s rapid motorization, the Chinese government is adopting a broad range of policies, including improvements in the fuel economy of new vehicles and the promotion of alternative-fuel vehicles, EIA notes. China Electric (Battery) Fuel Efficiency Oil Policy' Source: EIA.