As the quest to reduce greenhouse emissions roars on at full throttle, we see governments at all levels scrambling to appear more green. France wants to try horse-power (literally), Texas is betting on the compact fluorescent, and now San Francisco has just converted its city fleet to run entirely on biodiesel. While city officials are busy patting themselves on the back, the verdict is far from in as to whether these kinds of measures are actually doing more harm than good.Despite the fact that its production is super energy-intensive, most experts agree that biodiesel does produce less net CO2 emissions the petro-diesel. On a limited scale, biodiesel is probably a good option in the growing field of alternative fuels, especially when it derived from used cooking grease. On a larger scale however, critics fear that the demand for biofuels will eventually lead to the further destruction of natural resources -- especially in developing countries.
Right or wrong, Congress is now working on legislation that would encourage automakers to build cars that run on biofuels. That means one thing for sure, in the future, it will be way more important to pay attention to what pump you're using at the gas station.
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