Problems with your vehicle’s catalytic converter might first become apparent through poor acceleration, a rotten-egg smell from the exhaust, or the check-engine light coming on. As things get worse, ...

Diesel engines, for all their rugged usefulness, can be tremendously polluting. They produce more NOx — nitrogen oxides-based emissions – than gasoline-fed cars, as well as more particulates, aka soot ...

Toyota says it doesn't think the problem of sudden acceleration in some of its vehicles is rooted in its electronic systems. Ken Bensinger, business reporter for Los Angeles Times, says many are ...