Hybrids are a popular choice with shoppers Here's what to know about the environmental debate over hybrids. 'Right now we are facing a climate crisis, and we absolutely need to reduce our dependency on fossil fuel cars,' says Katherine Garcia, who directs the Sierra Club's Clean Transportation for All campaign. Many say it's time for hybrids to fade into history that they are at best a detour, and at worst an obstruction, in the fight against climate change. Your Money Buying an electric car? You can get a $7,500 tax credit, but it won't be easyīut even as hybrids go mainstream, they are losing traction among their original enthusiasts: environmentalists.