They may be green, but the idea to turn them into performance machines isn't too far-fetched.When most people think of a Toyota Prius or a Chevrolet Volt, they think of a green four-door designed to haul the family from place to place for pennies on the dollar.For the most part this image is true, but occasionally these uber-popular green vehicles get an epic makeover going from sensible and smart to just plain awesome.Will they ever achieve the performance of their gasoline-engined counterparts? With the technology developing fast these days, anything is possible in the future.The most popular hybrid in America will soon be receiving a makeover of epic proportions in the form of the Prius GT300.Toyota is outfitting their mega-hit hybrid to race in next year's Super GT series. The Prius GT300 will stay true to its hybrid roots, but will feature a tweaked engine pumping out a powerful 300hp.Your view on the Leaf may change forever after seeing what Nissan's performance division Nismo did when they got their hands on one. The Nismo Leaf is highlighted by its aggressive performance-enhancing body kit.Besides the body kit, the Nismo Leaf also features 18-inch wheels and low-profile tires. The Nismo team left the Leaf's engine intact, which may not be such a bad thing considering the fact that the EV can top out at 90 mph.