A San Diego start-up says it is using algae to make oil that can be refined into gasoline and other fuels that are both renewable and carbon-neutral, and it plans to produce 10,000 barrels a day within five years.
 
That's a fraction of the 20 million or so barrels of petroleum the United States consumes each day, but Sapphire Energy says "green crude" production could ramp up to a level sufficient to ease our dependence on foreign oil, if not end it altogether.
 

The world's first home ethanol system, which allows consumers to create their own ethanol and pump it directly into their cars, was unveiled today by the E-Fuel Corporation (www.efuel100.com). The revolutionary EFuel100 MicroFueler(TM) is the first product that allows anyone to reduce their dependency on oil, greatly diminish their carbon footprint and produce fuel for under $1.00 per gallon.
 

ScienceDaily (May 24, 2007) — U.S. carbon dioxide emissions from burning fossil fuels decreased by 1.3 percent in 2006, from 5,955 million metric tons of carbon dioxide (MMTCO2) in 2005 to 5,877 MMTCO2 in 2006, according to preliminary estimates recently released by the Energy Information Administration (EIA).
 

CHERRY HILL — This town, with its vast housing developments and miles of shopping centers lining every thoroughfare, was not designed to go easy on the Earth, but that isn't stopping local officials from going green.
 
Cherry Hill, once a desolate farmland and now a bustling Philadelphia suburb of 70,000, is one of the latest examples of a nationwide movement of local governments committing to make environmental issues a priority.
 

Confused by "flex fuel?" Perplexed by "plug ins?"
 
With the ever growing number of options among alternative fuel-powered vehicles and the rapid growth of technology, it's getting tough to understand how it all works and what's best for you as a consumer.
 
Michael Omotoso, J.D. Power's senior manager of global powertrains, was willing to help unravel the confusion.
 

Diesel
 

Question: How do diesel-powered cars work?