MPG Concern

EPA tweaks fuel economy test to improve accuracy of mpg labels

3:37 pm U.S. ET | Feb. 23, 2015

The EPA today issued updated procedures for a critical part of fuel economy testing that some automakers have struggled with in the last two years. The update covers how automakers should calculate road load values in coast down tests, which measure the rolling resistance and aerodynamic drag of vehicles as they glide from 70 mph to a stop on a straight, flat track....
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GM's Barra: Tapping into ideas from Silicon Valley

GM's Barra: Tapping into ideas from Silicon Valley

General Motors CEO Mary Barra comments on lessons from mom; girls who shy away from math; slicing a 10-page policy down to two words; tapping millennials to erase stupid habits; taking regular trips to Silicon...
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