Are you breaking the law if you warm up your car in your state?

While there is no national law against idling a vehicle, some states have anti-idling laws to prevent air pollution. The punishment and exact anti-idling measures vary from state to state, and even city or county, with penalties ranging from fines to written warnings.

Renewed push for all-lane freeway tolls in the Bay Area

Metropolitan Transportation Commission (MTC) officials believe that applying market principles of supply and demand to freeway driving could potentially result in tolls for all lanes, with the aim of reducing congestion and curbing carbon emissions.