By Elizabeth Behrman, Times Staff Writer
Tuesday, February 21, 2012

NovaCharge, a national maker of electric vehicle charging stations, had only one charger in the Tampa area a year ago.

Now it has more than 200.

The electric vehicle industry, though still just a blip compared to its gas-powered competition, is growing quickly across the country. Organizers of the EV International Expo are trying to put Tampa in a position to lead the way.

The three-day conference, which will last through Thursday, is focused on informing the public about the benefits of electric vehicles.

Besides showing off some sleek electric and converted cars, industry experts at the convention will be answering questions and giving presentations in hopes of convincing potential buyers that electric cars are a viable alternative.

About a dozen electric and hybrid cars are on display, including a Chevrolet Volt, a Nissan Leaf and a converted Porsche.

"We ...