Our plant supplants your plant: a real-life cellulosic ethanol refinery. Photo: Iogen Sometimes it seems virtually anything can be made into fuel. As though, if we had the right technology, we could throw together old T-shirts, bumper stickers, and pine cones to make a magical elixir to run the millions of cars on North America's highways. That's not an entirely far-fetched scenario. The days of filling up our cars on dead dinosaur goo are likely coming to an end. Instead, we'll be using fuel made from plants and plant waste. (Don't hold your breath for the bumper stickers.) The great …