Frequently Asked Questions
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Home Biodiesel Dennis O'Brien 1310 D Street #1 Marysville, CA 95901 |
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- What is Biodiesel?
- Is Biodiesel the same thing as raw vegetable oil?
- Is biodiesel used as a pure fuel or is it blended with petroleum diesel?
- Is it approved for use in the US?
- How much biodiesel has been sold in the US?
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How do biodiesel emissions compare to petroleum diesel?
Biodiesel is the only alternative fuel to have fully completed the health effects testing requirements of the Clean Air Act. The use of biodiesel in a conventional diesel engine results in substantial reduction of unburned hydrocarbons, carbon monoxide, and particulate matter compared to emissions from diesel fuel. In addition, the exhaust emissions of sulfur oxides and sulfates (major components of acid rain) from biodiesel are essentially eliminated compared to diesel.
Of the major exhaust pollutants, both unburned hydrocarbons and nitrogen oxides are ozone or smog forming precursors. The use of biodiesel results in a substantial reduction of unburned hydrocarbons. Emissions of nitrogen oxides are either slightly reduced or slightly increased depending on the duty cycle of the engine and testing methods used. Based on engine testing, using the most stringent emissions testing protocols required by EPA for certification of fuels or fuel additives in the US, the overall ozone forming potential of the speciated hydrocarbon emissions from biodiesel was nearly 50 percent less than that measured for diesel fuel. - Can biodiesel help mitigate "global warming"?
- Is biodiesel safer than petroleum diesel?
- Does biodiesel cost more than other alternative fuels?
- Do I need special storage facilities?
- Can I use biodiesel in my existing diesel engine?
- Where can I purchase biodiesel?
- Who can answer my questions about biodiesel?
- What is a "mini-batch"?
This information is reprinted here by special permission from the National Biodiesel Board. For further information, please visit their site at www.biodiesel.org.