4 days ago
Not urban land use, but in the literal sense: land used to produce food, graze livestock, supply drinking water, grow trees, and sequester carbon. As the climate warms and the population grows, crop yields will decrease and land will be degraded.
6 days ago
What is expected to be the nation's largest dairy biogas operation opened in the Central Valley. To the north, Gov. Kate Brown signed the nation's first bill to establish goals to add renewable gas to pipelines, and pigs in Missouri also made news.
June 14, 2019, 12pm PDT
President Trump made good on his promise last October to lift the E15 ban in time for the summer driving season. Not mentioned by the Des Moines Register are the downsides to allowing the higher ethanol blend to be sold during the summer, e.g., smog.
December 27, 2018, 12pm PST
Oil independence, a goal set by President Nixon in the depth of the 1973 energy embargo, was achieved in the last week of November thanks to a fluke in record keeping as well as an "unprecedented boom in American oil production."
October 8, 2018, 5am PDT
California regulators have found that transportation emissions are the most difficult to reduce, unlike those from electricity generation. The state just took a major step by approving significant changes to its Low Carbon Fuel Standard program.
July 13, 2018, 9am PDT
It is possible to achieve state-mandated global warming reduction goals after all. The nation's first such goal, signed into law by Republican governor Arnold Schwarzenegger in 2006, called for reducing emissions to 1990 levels by 2020.
April 17, 2017, 10am PDT
On April 7, the illinois Industrial Carbon Capture and Storage commenced operations, taking carbon that corn sequestered from the atmosphere and storing it safely almost a mile and a half underground in a sandstone formation.
September 23, 2016, 11am PDT
Within ten years, passengers flying on JetBlue out of JFK will leaving a much lower carbon footprint, thanks to a fuel composed of 30 percent biofuel.
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.