Ashton Stark stands next to his 1972 Volkswagen Beetle, which he converted into an electric car. Courtesy Noel Stark hide caption

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Pelicans rest on an oil retention boom near Grand Isle, La. Mario Tama/Getty Images hide caption

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A worker monitors Talmadge Creek in Marshall Township, Mich., as oil from a ruptured pipeline is vacuumed from the water. Paul Sancya/AP hide caption

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Damon Corkern, who works for ECS Solar Energy Systems, installs solar panels on a house roof in Gainesville, Fla. Joe Raedle/Getty Images hide caption

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