Question: The master bathroom in our San Roque home is a little on the small side and it does not have a window, so it can get pretty steamy in there when my husband or I are taking a shower. Our ...

Is it a problem buying a second-hand car that does not have a catalytic converter? It is a requirement for cars to be equipped with a catalytic converter, or “cat”, which is part of the car’s exhaust ...

Combustion engines, the engines in gas-powered cars, only use a quarter of the fuel's potential energy while the rest is lost as heat through exhaust. Now, a study demonstrates how to convert exhaust ...