He'll even let you look under its lid. "You can see ... the gas engine went right here and now that's where the electric motor is," he says as he holds open the hood.
Connected to the electric motor are twenty large batteries. With gas prices soaring, Mercer says he's happy to pay just $3 for electricity for every 70 miles he drives.
"Recharging at home is really quite convenient because you're going home anyway," he says.
Mercer is with the Electric Vehicle Association of Greater Washington D.C. Rob Neighbor, another member of the group, says there's another perk with his 2010 electric Toyota RAV-4.
"There's no oil. It's creepy. There's a little bit of cooling fluid I have to change every 100,000 miles. Its a whole new era," he says.
Their group is working to promote electric vehicles, which they say are not only good for the environment, but also better for people's pocket books.