December 21, 2015, 1pm PST
With transportation the largest contributor to greenhouse gas emissions in California, San Mateo will be the first city to reduce emissions by using biogas produced at its wastewater treatment plant for use in city vehicles.
December 14, 2015, 8am PST
San Francisco's diesel vehicles have been using a biodiesel blend for years, but in a move that illustrates the differences among biofuels, Mayor Ed Lee announced that the fleet will now use 100 percent renewable diesel fuel.
City and County of San Francisco Office of the Mayor
September 27, 2015, 7am PDT
Big Oil may have defeated Gov. Jerry Brown's oil reduction goal in the legislature this month, but there are other avenues for the green governor to pursue his climate change agenda. The Low Carbon Fuel Standard was renewed by CARB on Sept. 25.
The Sacramento Bee - Capitol Alert
July 30, 2015, 12pm PDT
Renewable diesel, a biofuel that differs from biodiesel by the feedstock used and its chemical makeup, making it indistinguishable from petrodiesel, is a small but growing industry. The announcement from UPS was welcome news for three companies.
The New York Times - Energy & Environment
July 22, 2015, 6am PDT
Jets no longer run solely on fuel derived from petroleum, thanks in part to Colorado-based Red Rock Biofuels. They signed contracts with FedEx and Southwest Airlines for "renewable jet fuel" that is derived from wood-based biomass.
The Denver Post - Business
March 14, 2014, 10am PDT
Yes, one is with and the other without oxygen, and both divert waste from the landfill—but in terms of the end products, what is the advantage of anaerobic digestion? Simply put, does society face a shortage of compost or renewable energy?
March 19, 2013, 8am PDT
Gas prices may rise due to the ethanol requirement. But there is no shortage - in fact, there's a glut, as we reported in Nov., 2009. It's the ethanol credits that have surged in price. What - you didn't know there was an ethanol credit market?
Is It Time To End Ethanol Requirement For Gasoline?
February 22, 2013, 10am PST
A new study finds that high commodity prices and a biofuels rush have led to rates of grassland loss in America's northern Plains “comparable to deforestation rates in Brazil, Malaysia, and Indonesia.” Brad Plumer discusses the impacts.
September 15, 2010, 7am PDT
AltTransport takes a look at the biggest skirmishes in the world of transportation and sustainability that took place over the past calendar year.
August 11, 2010, 9am PDT
A U.S. ambassador is proposing a novel approach to helping Afghanistan -- since opium crops are rampant, why not find a way to turn poppies into biofuel?
April 28, 2010, 1pm PDT
Beef by-products, turned into bio-diesel, make up 20% of the fuel being used today by Amtrak's Heartland Flyer between Fort Worth and Oklahoma City.
March 22, 2010, 11am PDT
Jevon's Paradox is the idea that the more efficient a resource becomes, the more it is consumed. With new future fuels in the works, those promoting sustainability and conservation find themselves at odds with innovation.
November 30, 2009, 11am PST
There's a glut of ethanol on the market, and the solutions to consume it are not easy. The maximum blend in gasoline is 10% before it affects the catalytic converter, and E85 can't compete with the more efficient, though more expensive, gasoline.
The New York Times - Energy & Environment
November 11, 2009, 10am PST
Researchers are experimenting with using LEDs to grow algae in abandoned mines to be used for biofuels.
October 27, 2009, 5am PDT
A new report claims that the way the global warming impact of biofuels is measured leaves out the land use component of clearing land and growing crops.
April 9, 2009, 9am PDT
Low fuel prices, high corn prices, and a new CA regulation that penalizes the energy intensity necessary to convert corn to fuel are hurting the industry.
February 16, 2009, 1pm PST
Nobel laureate and new Energy Secretary Dr. Steven Chu is interviewed on what it will take to solve the climate change crisis - three major technological improvements plus carbon pricing. While no fan of coal, he acknowledges improvements are needed.
February 16, 2009, 5am PST
Cellulosic ethanol - biofuel produced from non-edible plant material - has been 'five years out' for a long time. Obstacles remain to mass production, but a handful of producers are up and running.
The Christian Science Monitor
November 13, 2008, 6am PST
The Skycar is a combination parasail, swamp boat and dune buggy. Sponsored by a British knight and arctic adventurer, the design team is planning an expedition from London to Timbuktu in January of 2009.
August 15, 2008, 11am PDT
The city of Austin considers a multi-billion dollar investment in a "biomass" power plant, burning wood waste in East Texas as a carbon-neutral, renewable energy source.