Here is the latest California news from The Associated Press

LOS ANGELES (AP) — The U.S. Department of Transportation has ordered a Los Angeles-based bus company to cease operations following safety violations. The agency's investigators found the Its Good Promotion tour-bus company did not regularly screen drivers for drug or alcohol use or regularly inspect vehicles. The investigation stems from an inspection earlier this month of a bus crossing the border from San Diego.

OAKLAND, Calif. (AP) — Workers with a major San Francisco Bay area bus system have ratified a labor deal, ending the threat of a strike. The Contra Costa Times reports the nearly 2,000 workers at Alameda-Contra Costa Transit District approved the agreement yesterday. It includes a 9.5-percent wage increase over the next 3 years and a monthly contribution of $120 per employee for health care.

LOS ANGELES (AP) — A state audit shows that one in four GPS devices used to track criminals released in Los Angeles County doesn't work properly, allowing dangerous felons to sometimes roam freely for weeks. The Probation Department audit obtained by the Los Angeles Times says defects included faulty batteries. Sentinel Offender Services, the contractor that provides the devices, says probation officers were untrained.

SAN FRANCISCO (AP) — An effort by California to spur the installation of energy efficiency retrofits in 100,000 homes with homeowner rebates is off to a slow start. The San Francisco Chronicle reports that in its first three years, Energy Upgrade California has given rebates to about 16,000 home and business projects. The program reportedly spent more on startup and marketing through 2012.