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In a blow to environmentally conscious socialists who espouse the frugal, sustainable sensibility of Cuban car culture, Salon's Pablo Päster has done the journalist math. It turns out that a brand-spanking-new Toyota Prius is more energy efficient over the expected lifetime of the vehicle than an old beater Mercedes from Daimler-Benz. What Päster doesn't take into account are alternative energy retrofits to classic cars, like MTV's pimping out of a Chevy Impala to run on biodiesel, like the one picture above. Because while a twee Prius might say "enviromentally conscious" to Stuff White People Like readers, Stuff White People Do readers (myself included) would much rather cruise El Camino Real in a biodiesel-fueled lowrider, mijo.