Tesla responds, questioning IIHS motives after Model S fails to impress in crash test

Tesla's class-leading Model S did not fail the most recent crash tests conducted by the Insurance Institute for Highway Safety (IIHS). However, the electric sports sedan did not achieve a top rating in one particular test, the results of which were published late on Wednesday. The test results have caused a bit of a buzz, especially considering how well the Model S had performed in similar tests in the past. And the test in question is a crucial one, designed to judge a vehicle's performanc