Above: F1 is back in the USA at COTA.A variety of motor racing is available for streaming on demand at the following sites:MAVTV.comSCCA.com MotorTrendOnDemand.comLucasOil.TVAll times Eastern; live broadcasts unless noted.Wednesday, Oct. 17Virgin Australia SupercarsBathurst9-11pmFriday, Oct. 19F1 World Championship - practice 1COTA10:55am-12:30pmMonster EnergyNASCAR Cup Series -practiceKansas2:05-2:55pmF1 World Championship - practice 2COTA2:55-4:30pmNASCAR...