Biofuels are a type of renewable fuel that is derived from biomass, often plant matter or another kind of biological material. They are used to partially or completely replace petroleum-derived fossil fuels. Kinds of biofuels include solid biomass, liquid fuels and biogases. Specific examples include bioethanol, made from sugar and starch crops, and biodiesel, made from vegetable oils, animals fats and other recycled greases.
Will black carbon cause the death of space tourism before it has taken off?
9 | May 16, 2013 10:49am |
The bloom is sliding off the rose of renewables. Electric and hybrid vehicles losing favor too. What about nuclear?
28 | May 16, 2013 4:51am |
Would we then be able to feed the whole world? Maybe. Scientists have found a way to turn indigestible cellulose into starch.
33 | April 18, 2013 5:23pm |
An MIT professor recently unveiled an advanced 3D printing process that allows objects to assemble themselves.
7 | March 1, 2013 3:47am |
As we enter 2013, what are some of the challenges that both airlines and airports will face?
January 3, 2013 5:51am |
Don't believe the hype: The U.S. will not overtake Saudi Arabia as the world's top oil producer, nor become self-sufficient in oil, nor become a net oil exporter.
31 | November 28, 2012 3:00am |
Transatomic's founders look more Twitterati than Nuclearati. But their "molten salt reactor" trumps great ideas from across all energy areas at this week's investor/entrepreneur summit.
5 | March 1, 2013 5:31am |
A kit which transforms your average vehicle into a hybrid model has been developed by students at the University of Middle Tennessee.
16 | August 16, 2012 10:28am |
The latest outlooks from BP and ExxonMobil project a rosy future for oil, while bottom-up forecasts see world oil production declining before 2020. Who you gonna believe?
63 | March 20, 2013 1:43am |
Energy columnist Chris Nelder reviews why unconventional oil pushes oil prices higher, and forecasts oil prices through 2014 and beyond.
26 | June 13, 2012 3:00am |
Minimizing waste along the food chain: it's good for the environment, but even better for the bottom line. The "mega-movement" is just beginning.
11 | January 15, 2013 1:33am |
Energy columnist Chris Nelder shows how the oil demand of the East will overtake the West this year, and why more efficient vehicles won't solve our problem.
32 | March 7, 2012 5:00am |
An unassuming invention may be a gamechanger for designers and manufacturers.
7 | February 5, 2013 4:05am |
Energy columnist Chris Nelder shows why the production costs of oil from tight oil shales, tar sands, deepwater, and the Arctic will mean that oil becomes unaffordable for the U.S. by 2015.
40 | April 18, 2012 5:00am |
As people push against the limits of what nature freely offers us in terms of fresh water, climate stability and more, how can we use our resources to achieve the greatest return for society?
3 | April 1, 2013 3:00am |
Scientific American released its list of 10 world-changing ideas, which include civilian uses for drones, popping pills to prevent Alzheimer's and genome sequencing for fetuses.
5 | November 18, 2012 9:38pm |
Energy futurist Chris Nelder explains why you can run from EROI, but you can't hide, and why savvy energy investors should use it as a guide instead of ROI.
33 | February 15, 2012 5:00am |
It's been a long slog, but Sapphire Energy's algae-to-oil project is up and running and has completed its first successful harvest.
5 | August 28, 2012 12:25pm |
If you build the infrastructure they will come. That's what E.U. lawmakers hope as they try to spark up slow sales of EVs.
10 | January 31, 2013 4:09am |
A 16-year-old Egyptian high school student has just come up with a way to turn non-biodegradable plastic waste into clean-burning biofuel.
8 | August 8, 2012 4:32am |