Yep, you read that right. I know steam power has been making a comeback in recent years, but has anyone tried or? By the end of the year I plan to build a small turbine powered by steam, which will be powered by either fuel pellets made in the backyard or a Fresnel lens. Using fire instead of a magnified beam of sun would work well to heat a greenhouse in the winter and it would increase CO2, which can be eaten up by the plants (studies have shown that plants grow bigger and faster at 5x the normal CO2 concentration, but get poisoned much beyond that... If I remember my number correctly anyway).