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It’s a fact according to some that biodiesel fuel in diesel engines will reduce CO(2) Global Warming Gases (by 78%).
Green Star Products, Inc. Wanted to build the first biodiesel plant to emit almost zero net Global Warming Gases (GWG)(CO(2)) from direct plant production of biodiesel.
It is an established fact that the use of biodiesel fuel in diesel engines will reduce CO(2) Global Warming Gases (by 78% on a life cycle basis).
However, the biodiesel plants that produce biodiesel do emit GWG because they require heating input usually from natural gas, which is not renewable and emits CO(2), and they also require electricity from local utilities, which emit CO(2), and finally the chemical processes uses 10% methanol (wood alcohol) usually supplied from sources outside the U.S. and made from natural gas, all of which add to Global Warming and are not renewable.
Biodiesel is a domestically produced, renewable fuel that can be manufac- tured from new and used vegetable oils, animal fats, and recycled restaurant grease. Biodiesel’s physical properties are similar to those of petroleum diesel, but it is a cleaner-burning renew- able alternative. Using biodiesel in place of petroleum diesel significantly reduces lifecycle carbon emissions. Research shows that it also reduces emissions of toxic air pollutants in older on-road vehicles and in many off-road applications.
Biodiesel can be blended and used in many different concentrations, including B100 (pure biodiesel), B20 (20% biodiesel, 80% petroleum diesel), B5 (5% biodiesel, 95% petroleum diesel), and B2 (2% biodiesel, 98% petroleum diesel). B20 is a common biodiesel blend in the United States.
For vehicles manufactured after 1994, biodiesel blends meeting ASTM stan- dards can be used with minimal impact on operating performance. Diesel vehicles manufactured before 1994 may include elastomers (hoses and gaskets) that could break down with repeti-
tive use of blends above B20. Higher blends should be avoided in these older vehicles, or their elastomers should be upgraded to a compatible material.
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