But the city of today is very different from the one of the late 1960s and â70s, when dictates to achieve racial balance first prompted âwhite flightâ from the public schools. From 1967 to 1974, the percentage of white students in the cityâs public schools plunged to 52 percent from 72 percent. By 1977, black students outnumbered whites; by 2009, Latinos outnumbered blacks.
It allows them to remotely halt high-speed hunt. Remote vehicle shutdown auto technology. In 2009, General Motors planned to equip this system in 1.7 million new cars that allows pursuing offices to request that engines of stolen cars be remotely switched off with the use of OnStar mobile communications system.
Turn off your ignition if you're waiting more than 10 seconds. Contrary to popular belief, restarting your car does not burn more fuel than leaving it idling. In fact, idling for just 10 seconds wastes more gas than restarting the engine. Warm up your engine by driving it, not by idling. Today's electronic engines do not need to warm up, even in winter. The best way to warm the engine is by easing into your drive and avoiding excessive engine revving. After just a few seconds, your vehicle is safe to drive.