What Audi says it learned from 4 years of electric-car testing

Audi just wrapped up a four-year electric-car test program in its home market of Germany—and the company says it has learned a lot. Conducted together with the German government, it put plug-in electirc cars in the hands of ordinary drivers, who covered a combined 1.4 million kilometers (870,000 miles). As with other such carmaker trial… …read more