In my seven years of car ownership, the only time I’ve ever seen the “check engine” light was when I neglected to screw in the gas cap tightly enough on my Accord. That wasn’t very useful. But our ex-sibling site, Jalopnik, made the case earlier this week that there’s no good reason why car makers can’t just do away with the “check engine” light altogether, and have our cars actually tell us what’s wrong with them. [More]