In Honda's new clean-diesel application ... the injection time was reduced by a new 29,000-psi common-rail system, and the exhaust gas recirculation (EGR) system efficiency was improved.

Chris Rosales A catalytic converter almost literally scrubs exhaust gases clean, and in an incredibly ... There were few exceptions, with the 1975 Honda Civic CVCC achieving low emissions without ...

It's the car's onboard computer telling you something is off with the emission control system — the network of parts responsible for keeping your vehicle's exhaust clean. This is critical not ...

Ask Jeanne anything at localliving@washpost.com. End of carousel A: Manufacturers who say to clean bathroom exhaust fans with just a vacuum aren’t being straight with their customers.