Instead of relying on futuristic power sources, steampunk-style contraptions look to the past and get their juice from steam. Does steam have staying power as a source of energy?
The next time you're filling up at the pump, take a minute to consider where that gas came from and how we can produce it more responsibly. Here are 5 ways that eco-friendly biofuels help the planet as well as big business. See more »
Can we use vegetable oil as fuel in our cars and in electrical generators? The short answer is yes. The longer answer is, well, yes, with a good number of qualifications. See more »