GM plans cleaner tires and factories, as well as more EVs

2017 Chevrolet Bolt EV pre-productionCombating global warming and air pollution is about more than electric cars, as General Motors has made clear in its annual sustainability report issued at the end of June. GM CEO Mary Barra has repeatedly proclaimed the company’s goal of “zero accidents, zero emissions, and zero congestion.” To that end, late last year, the...