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

Green Car Congress

One tip is that drivers should obey the speed limit since the fuel economy of most vehicles decreases above 50 mph [80 km/h]. ORNL staff members John Thomas, Shean Huff and Brian West have worked to quantify this trend through analysis of dynamometer testing results for 74 vehicles at steady-state speeds from 50 to 80 mph [80 to 129 km/h].

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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

l/100 km (49 mpg US). l/100 km/h (59 mpg US). By way of comparison: a conventional turbo system diverts part of the exhaust gas stream needed for the forced induction away from the turbine via a wastegate valve as a function of its operating state. The NEDC extra-urban figure drops as low as 4.0 Eco-coasting.

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New diesel Volkswagen Golf GTD heading for the US; first driving impressions

Green Car Congress

diesel delivering 184 horsepower (137 kW), 280 lb-ft (380 N·m) of torque, CO 2 emissions of 109 g/km, and a NEDC combined fuel economy figure of 56 mpg US (4.2 l/100 km)—also a marked improvement over the A6 GTD’s 43 mpg. l/100 km)—also a marked improvement over the A6 GTD’s 43 mpg. With a new 2.0L

Diesel 304
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Road Test: 2021 Ford Mustang EcoBoost Premium

Clean Fleet Report

high-performance at 20 mpg city/27 highway/22 combined. In 240 miles driving around Southern California we averaged 23 mpg, but in a 100-mile run with the adaptive cruise control set at 65 mph, we averaged 31.2 mpg, exceeding the EPA figure. Zero-to-60 mph times were right around 5.0 Good grip from the rear.

Ford 86
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Road Test: 2024 Cadillac XT4 Premium Luxury FWD

Clean Fleet Report

The fuel economy, which is best in Touring mode, is rated by the EPA at 24 mpg city/29 highway/26 combined mpg. mpg, same as the EPA. Our best efficiency was over a 110-mile all-freeway run with the adaptive cruise control set at 65 mph, earning us 32.5 In comparison, most flat screen televisions are 4K.

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Audi launches next-gen A4 with new Millerized TFSI engine; g-tron model w/ Audi e-gas

Green Car Congress

The standard, start-stop system has also been further improved and comes with new features to reduce fuel consumption further: When the driver stops at a red light, the engine can already be deactivated below 7 kilometers an hour (4 mph); 3 km/h for the A4 3.0 seconds and on to a top speed of 210 km/h (131 mph). mph) for the Sedan; 7.5

Audi 150
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Road Test: 2023 Volkswagen Taos SEL 4Motion

Clean Fleet Report

Fuel economy is EPA-rated at 28 mpg city/36 highway/31 combined for the FWD Taos, with the 4Motion rated at 25/32/28. mpg, but in a 99-mile highway run at 65 mph, we averaged 34.3 The twin faux exhaust ports on the lower rear fascia actually don’t look too bad, and the star-patterned 19-inch machined alloy wheels look great.