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GM makes eAssist standard on the 2013 Buick Regal; new SAE paper coming at World Congress

Green Car Congress

The Regal with eAssist achieves an EPA-estimated 36 highway mpg (6.5 GM engineers will present a new paper on the development of the eAssist system at the upcoming SAE 2012 World Congress & Exhibition in Detroit in April. Acceleration matches the manual with an estimated 0-60 mph time of 6.7 turbocharged Ecotec in the Regal GS.

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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

They presented their results in a paper at SAE 2014 World Congress in Detroit. l/100 km) at 60 mph (97 km/h) to 33 mpg (7.1 l/100 km) at 60 mph to 22.9 for the Corolla and 1-4% for the Explorer; The best fuel economies were achieved at a constant speed of 40 mph (64.4 l/100 km) and 50 mph (80.5 l/100 km).

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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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Study finds 6.3% spread in fuel economy obtained with maximum and minimum rolling resistance tires

Green Car Congress

market (maximum speeds for each of these types of speed-rated tires are 118 mph, 130 mph and 149 mph, respectively). mpg (RRf at 8.1 mpg (RRf of 12.1 mpg (RRf at 9.9 mpg (RRf at 8.1 mpg (RRf of 12.1 mpg (RRf at 9.9 with a median of 10.28 and a minimum of 20.9 with an average of 21.6

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New top model PHEV in the BMW 5 Series

Green Car Congress

Maximum system torque is 600 N·m and top speed is reached at 250 km/h (155 mph), while a speed of 140 km/h (87 mph) is possible in purely electric operation. Power is distributed as required to all four wheels via an 8-speed Steptronic transmission and intelligent BMW xDrive four-wheel drive.

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Audi introduces Q7 e-tron quattro diesel PHEV SUV at Geneva; 138 mpg US

Green Car Congress

US mpg) and has a CO 2 emission level of less than 50 grams per kilometer (80.5 Charging as well as the preliminary air conditioning can also be time-controlled and adapted to the customer’s requirements, such as departure time, so as to save resources and costs. mph) if the traffic is slow-moving. tron quattro needs only 1.7

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Study finds NYC Clean Air Taxi rules successful in cutting pollution

Green Car Congress

mpg, and corresponding estimates of nitric oxide (NO) and total particulate (PM T ). —Dustin Fry, MPH, a researcher at Drexel University Dornsife School of Public Health. The findings are published in the Journal of Exposure Science & Environmental Epidemiology. exhaust emissions declined by 82% and 49%, respectively.

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