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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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CMU study highlights lower-cost design path to fuel economy compliance: acceleration trade-off

Green Car Congress

A team at Carnegie Mellon University has found that engineering design modifications that compromise other performance attributes—specifically acceleration—offer a pathway to reduce the cost to automakers of compliance with fuel economy standards. —Whitefoot et al.

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

Green Car Congress

The 2017 Audi A3 Sedan and Cabriolet models in the US are now available with Audi’s more efficient Millerized 2.0-liter liter engine offers an increase of 16 hp and 21 lb-ft of torque compared to the previous generation A3 1.8T, along with EPA-estimated combined cycle fuel economy of 29 mpg (8.1 The A3 sedan with 2.0-liter

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Volvo Trucks’ D13 Turbo Compound engine now standard on all VNL models; 6% better fuel economy over 2020 engine

Green Car Congress

The Volvo integrated driveline then uses extreme downspeeding to maintain road speed at lower RPM, saving even more fuel. The enhanced system includes an updated wave piston design that offers a higher compression ratio of 18.1. Additional ball bearings have been added to the Turbocharger to reduce friction.

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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. Early-stage research provided a fundamental breakthrough in metallurgy that was leveraged into the design of this new family of alloys.

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New Gen5 Honda CR-V gets first turbo, better fuel economy

Green Car Congress

The completely redesigned and reengineered 2017 CR-V, going on sale this winter, features the model’s first turbocharged engine and new features and technologies. The 2017 CR-V in EX and higher trims will feature CR-V’s first turbocharged engine, a more powerful and fuel-efficient 1.5-liter CR-V LX trims will be powered by a 2.4-liter

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Ford F-150 fuel economy improves with all-new EcoBoost engine and 10-speed transmission

Green Car Congress

liter EcoBoost engine paired exclusively with the first volume-production 10-speed automatic transmission available from any automaker, 2017 Ford F-150 sees improvement in all three EPA fuel economy label estimates—city, highway and combined ratings—by 1 mpg over 2016 F-150; the 4x4 model improves by 2 mpg combined.

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