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Coffee & Beer? The 6 Weirdest Alternative Fuel Sources

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Coffee & Beer? The 6 Weirdest Alternative Fuel Sources

A trip to the gas station is about the most boring task in the modern world. But making fuel is a strange and fantastic journey—for scientists and inventors trying to find sustainable alternatives to gas and diesel. We need not limit ourselves to drilling and fracking. Check out these six weird fuel sources, which—even if not commercially scalable—can inspire us to get creative about satisfying the world’s energy needs.

For more information about fuel efficient cars, visit eBay Green Driving.

Photo Credit: Warwick

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eBay Green Driving helps drivers save money at the pump, and reduce their environmental impact. It offers user-friendly tools and resources, as well as eBay's unique green vehicle and parts inventory, in a single location, to help people determine the best ways to "green" their daily driving routines. The site covers the full range of efficient technologies: electric vehicles, hybrids, clean diesels, compressed natural gas and ethanol vehicles, as well as high-MPG gasoline vehicles. Green Driving's Fuel Type Comparison Tool was developed in cooperation with the Department of Energy's World-class content is provided by leading writers and researchers in the field of eco-friendly automotive technology.


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1:52PM PDT on Aug 9, 2015

Garbage is a great idea!

2:39PM PDT on Jun 18, 2015

Thank you.

2:32PM PDT on Oct 31, 2014

Live long and prosper

4:02PM PST on Dec 26, 2013

I like garbage as the best option, reusing and recycling something that probably can't be utilized too many other ways (human waste at least can be used for fertilizer, garbage not so much at least so far as I know). Chocolate is my least favorite option. There's already a shortage of it, and its very existence as a crop is getting into the threatened stage. Thanks.

9:58AM PDT on May 31, 2013


9:46AM PDT on Mar 10, 2013

A trip to the gas station must not be boring when it's the only shop around on Sunday night

9:22AM PST on Dec 4, 2012


5:02PM PST on Nov 21, 2012

Thanks for sharing.

7:34PM PST on Nov 5, 2012

Unfortunately, Canada has a right-wing federal government and they have not only downgraded environmental laws, the PM is gung-ho about developing the oil sands through the investment of foreign companies and building oil pipes over hundreds of miles. The pipes would pass through environmentally sensitive environments and the chosen developer has a frightful history of major oil leak accidents.

What is sad is that Canada now receives the top Dunce-awards at international conferences.
Local governments are not much more enlightened...

1:57PM PST on Nov 4, 2012

Garbage is not a weird fuel source. It is extremely reasonable, and it surprises me how it still isn't seriously put into action. What's weird is to keep poisoning the air with our cars' fuel.
Using non-recyclable garbage is the way to go; wasting food is unecceptable.

Mary D: "Human poop, or water, might be best options."

Sure, exactly what the world needs: more water wasting.

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