Climate Cities

Feline Groovy

German inventor denies using dead cats to make biodiesel German inventor Christian Koch says he’s patented a way to convert trash into eco-friendly, high-quality biodiesel fuel that costs one-fifth the going price of diesel in his home country. To produce the alternative fuel, Koch claims he uses waste including paper, textiles, and plastics — but […]

Replacing fossil fuels with biodiesel may do more harm than good

I remember when real environmentalists drove smoking VW vans with bumper stickers that said stuff like, "You can't call yourself an environmentalist if you eat meat." They didn't get the best gas mileage, but hey, you could do worse. They were replaced by the forest-green Subaru Outback (Eddy Bower edition if you were really cool), seen by the dozens in any REI parking lot. These are presently being eclipsed by the ubiquitous Prius. But, there is stiff competition from the diesel Jetta replete with biodiesel stickers all over the butt end.

As we all know by now, biodiesel can be made out of a lot of things:

Soybeans: 50 gallons per acre
Rapeseed: 150 gallons per acre
Jatropha: 175 gallons per acre
Palm oil: 650 gallons per acre

To limit the impact on the planet, maybe we should start pressuring our biodiesel distributors to sell fuel made only from palm oil? According to the World Wildlife Fund, we would also need to demand that it be made out of palm oil grown only on degraded, non-forested land:

Dispatches from a student-run clean-car campaign

The Road to Detroit campaign is run by 11 student organizers from around the U.S., one big, beautiful biodiesel and veggie-oil bus, and many friends and allies. Road to Detroit is a campaign of Energy Action, a student and youth clean-energy and global-warming coalition. Friday, 19 Aug 2005 DETROIT, Mich. We know you know about […]

Miser Permanente

Americans get creative at saving gas as price per gallon soars Ever since dinosaurs walked the earth, died, and decayed under high subterranean pressures to become the fossil fuels we so depend upon today, Americans have carried on a brontosauric love affair with gasoline. But with prices climbing toward $3 a gallon, that may change. […]

Umbra on biodiesel vs. straight veggie oil

Dear Umbra, I have the opportunity to convert a 1979 non-turbo Mercedes into a non-diesel. The question I have is: to which should I switch, biodiesel or vegetable oil? I can’t seem to find out which one is best, just that these two are better than any petroleum-based fuels, which we already know (thanks for […]

Rob Elam, biodiesel buff, answers questions

Rob Elam. What work do you do? I’m a cofounder of Propel Fuels, a biodiesel services and distribution firm. Biodiesel is a vegetable-oil based fuel for diesel engines. Using it significantly reduces greenhouse-gas and particulate-matter emissions. What does your organization do? Our mission is simple: fill tanks with biodiesel. We’re approaching this in three ways: […]

Umbra on true hybrids

Dear Umbra, I read the New York Times article that reported auto manufacturers are using hybrid technology to boost power rather than improve mileage. It specifically mentioned the Honda Accord, claiming that the mileage difference between the six-cylinder and the hybrid is minimal. What are the facts here? Is there a hybrid that really, actually, […]

Dense and Densibility

Densest U.S. cities aren’t the ones you think Advocates of energy-saving urban density usually laud the towering buildings and subways of Manhattan, as contrasted with the car-heavy suburban sprawl of, say, Los Angeles. But the most dense city in the U.S., measured by people per square mile, is … Los Angeles. In fact, despite its […]

Prius-toric

Team achieves 110 mpg in Toyota Prius If you thought fuel efficiency was cool, wait ’til you meet … Xtreme fuel efficiency! Rawk! Ahem. A team of five oddly obsessive middle-aged American men, seeking to break the unofficial mileage record set in Japan, recently drove a factory Toyota Prius 1,397 miles on one tank of […]

Hybrid Fidelity

Toyota plans 10 new hybrids, invites automakers to eco-summit Toyota is developing 10 new hybrid models and aims within the next few years to be selling 1 million of the gas-electric vehicles annually worldwide. That, says the company’s U.S. head, Jim Press, will mean about 600,000 new Toyota hybrids each year on American roads, including […]