Featured in biodiesel
Bio-Electric-Solar Hybrid Triplane Seeks Backers
Borrowing from aviation’s golden age for our eco-friendly present
To Test New Tech, Researchers Churn an 800-Pound Butter Sculpture into Biodiesel
In a patriotic dairy-to-diesel demonstration project proving the breadth of fatty materials that can be converted into useable fuels, a...
Hacking the 21st-Century Auto
A crowdsourced, street-legal rally racer; Neil Young's electric Lincoln Continental; tinkering with an Audi R8's computer for crazy horsepower boosts--and much more
Get on the Beef Train: Amtrak Unveils First Biodiesel Commuter Train, Powered By Animal By-Products
The so-called green train is slated to run as a one-year experiment. Just how viable is it?
With a Little Help, E. Coli Turns Biomass Directly to Biodiesel
We know how to convert biomass to biodiesel, but the economics of doing so makes many prevailing methods of doing...
Your Guide to the Year in Science: 2010
A deeper look at polar ice. An electric-car renaissance. The death and rebirth of major scientific experiments. Read on to discover what this year has in store
How I Converted My Mercedes-Benz To Run On Veggie Oil
Lessons learned from my conversion of a 1984 Mercedes into a grease-mobile
PopSci U: Seven of the Country’s Coolest SciTech Courses
As students everywhere return to school, the luckiest are heading for caves and rocket firing ranges instead of lecture halls
A clean fuel plays no less dirty when it comes to business practices
The Greenest Green Fuel
Looking for a clean fuel that grows anywhere, needs only sunlight and water, and could produce enough oil to free the U.S. from its petroleum addiction? Here´s one start-up's plan for converting oil from algae-yes, algae