Remove Comparison Remove Economy Remove Exhaust Remove MPH
article thumbnail

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.

article thumbnail

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. 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.

article thumbnail

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 The base version of the Golf GTD, at 3,036 pounds (1,377 kg), accelerates from 0 to 62 mph in 7.5 seconds and also accelerates from 50 to 75 mph in fifth gear in 7.5

Diesel 304
article thumbnail

Road Test: 2021 Ford Mustang EcoBoost Premium

Clean Fleet Report

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 This fuel economy is encouraging, but it will take a wide open road with little traffic and lots of patience to equal it. Zero-to-60 mph times were right around 5.0

Ford 86
article thumbnail

VTT, Argonne joint study concludes new technologies to reduce friction should be able to reduce fuel consumption by up to 61% in 15-25 years

Green Car Congress

Of the energy output of fuel in a car engine, 33% is spent in exhaust, 29% in cooling and 38% in mechanical energy, of which friction losses account for 33% and air resistance for 5%. By comparison, an electric car has only half the friction loss of that of a car with a conventional internal combustion engine. million TJ/a.

Fuel 186
article thumbnail

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 mpg, but in a 99-mile highway run at 65 mph, we averaged 34.3 In 371 miles we averaged 28.6 In 371 miles we averaged 28.6

article thumbnail

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. 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. mpg, same as the EPA. Your numbers may differ.