north america president mark reuss at the los angeles auto show. g.m. unveiled its first all- electric plug-in at the show, and, as diane eastabrook tonight, the company hopes the spark can give the electric vehicle business the jolt it needs. >> reporter: the chevrolet spark e.v. will hit showrooms in california and oregon next summer. engineers are still testing the pure plug-in so general motors can't say yet how many miles the sub-compact will get on a single charge. what it can say is new technology will allow for faster charging. the spark won't be cheap. with tax incentives, the car's sticker price will be about $25,000, double the price of the gas-powered version. >> when you look at the functionality that this vehicle has and the range we offer-- which we believe is the top of its segment-- it is going to be extremely competitive from a price perspective. you're always going to pay more for an electric vehicle than you would for a traditional vehicle with a gas engine. >> reporter: general motors has placed a huge bet on electric vehicles, hopi