Volkswagen has admitted to rigging the emissions control systems on 11 million diesel cars over the last seven years, but those only represent a fraction of all the vehicles produced by VW during that time. Why did the carmaker only choose to tinker with its diesel vehicles instead of the larger number of gasoline cars? And how do we know VW didn’t mess with these vehicles? [More]
The Environmental Protection Agency is ratcheting up restrictions on drinking water, setting the first standards for perchlorate, a compound found in rocket fuel, as well as new standards for as many as 16 other toxic and carcinogenic chemicals.