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Biofuels

With rising gas prices and environmental concerns, biofuels may help you not only save money, but also drive a little greener. Discover the buzz about biofuels in these articles.

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What are the economic drawbacks of using biofuels?

Switching the world's energy consumption to biofuel makes good sense in some aspects, but the biofuels most likely to be produced on a large scale carry significant drawbacks. What are some of the economic disadvantages of biofuel?


Can olive pits be used as a fuel source?

The world produces an astonishing amount of olives -- 21.2 million tons, or 19.3 million metric tons, says the Food and Agriculture Organization of the United Nations. It would be a bummer for all those pits to just sit in a landfill. See more »

Could steampunk inspire the future of energy?

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? See more »

Hemp Energy: Sounds like a joke, but it’s not!

We’re still a ways from a hemp-powered car, but industrial hemp has made a number of headlines in past years, especially as an alternative energy source. Is hemp the power of the future? See more »

How to Harness Biofuels

Biofuels -- the word seems magical. It brings to mind singing birds, clear blue skies and global happiness. Somehow, we can turn plants and other organic material into something to power our cars and save the planet at the same time. See more »

Is algae biofuel a viable alternative to oil?

Scientists use the term algae to refer to a large and varied group of plantlike organisms often found in water. Like plants, algae are photosynthetic: They convert carbon dioxide into food using the power of sunlight. Could it be used as fuel? See more »

Is there a biofuel cell that harvests energy?

The most commonly used fuel "source" in fuel cells is hydrogen, though other hydrocarbons—and even some alcohols and biofuels—have also been used. See more »

What are the differences between ethanol and other biofuels?

Would you believe corn isn't just potential fuel for you, but also for your car? Welcome to biofuels! See more »

What are the environmental benefits of biofuels?

There's no question -- relying on coal and oil for power is a dirty game. Both fuels release greenhouse gases when burned. Both require extensive and sometimes dangerous collection methods. See more »

What crops can be used for biomass energy?

From wood-burning stoves in Sudan to coal-fired power plants in Pittsburgh, most of the world runs on biomass energy -- energy produced using materials derived from living things See more »

What is biorefining?

There are plenty of arguments for biorefining as the way to power the future, as well as reasons to wonder if we should think twice about the developing energy source. See more »