BMW hybrid boosts performance

BMW's second gasoline-electric vehicle line, the 2011 ActiveHybrid 7 sedans, will go on sale this spring with starting prices of $103,125 (including freight) for the regular-length 7 model, and $107,025 for the long-wheelbase version, the 7L, the German luxury automaker says.As with the $100,000-plus Lexus LS 600h, against which the ActiveHybrid 7 models will compete, the hybrid system in the BMW