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

Green Car Congress

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 Analysis has focused on speeds of 50, 60, 70 and 80 mph. [ 50 to 60 mph.

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Consumer Reports testing finds many small turbo engines underperforming; fuel economy, acceleration no better than in larger conventional powertrains

Green Car Congress

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. l/100 km) figures—i.e.,

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2014 Cascadia Evolution Class 8 rig delivers 10.67 mpg on closed-track demo; 7% better fuel economy than EPA 2010 Cascadia in cross-country tour

Green Car Congress

The Freightliner Trucks 2014 Cascadia Evolution—powered only by the newly designed Detroit DD15 engine and featuring enhanced aerodynamic specs—delivered fuel economy of 10.67 mpg US (22 L.100km) mile closed-course track for 1,000 miles nonstop at an average speed of 60 mph, with a GCW of 76,000 lbs.

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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 l/100 km (49 mpg US). l/100 km/h (59 mpg US). The NEDC extra-urban figure drops as low as 4.0

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Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

Green Car Congress

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration.

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Toyota’s new RAV4 plug-in hybrid SUV offers 39 miles AER, 90 MPGe

Green Car Congress

In addition to an ability to do 0-60 mph in a projected 5.8 As a technology comparison, the 2006-2012 RAV4 offered an optional 269-hp, 3.5-liter liter gas V6 engine that reached 0-60 mph in 6.3-seconds—a seconds—a half-second slower than the RAV4 Prime—and a 21 combined MPG fuel economy rating.

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BMW i8 customer demand exceeding planned production; improved fuel consumption

Green Car Congress

With the BMW eDrive in plug-in hybrid configuration, the i8 combines a 0–100 km/h (62 mph) acceleration time of 4.4 seconds with an EU test cycle average fuel consumption of 2.1 liter/100 km (112 mpg US) and CO 2 emissions of 49 g/km. BMW had originally anticipated combined test-cycle fuel consumption of 2.5

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