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The production and consumption of biodiesel fuel reduces emissions of CO2, a contributor to global warming.
Building a stable market for biofuels strengthens the farming economy and lessens our dependence on foreign petroleum exports.
Biodiesel Challenges When comparing fuel properties, biodiesel presents some significant challenges that must be overcome before it can be widely used at high concentrations:
At high temperatures, biodiesel can oxidize if air is present, causing the formation of acids and solids, which can corrode and plug fuel system components. Additives can help prevent this deterioration.
Much as vegetable oils become cloudy in the refrigerator, biodiesel will form wax at cold temperatures. These wax crystals plug fuel filters, so flow-improving additives are necessary in cold weather.
Biodiesel tends to carry water into the vehicle fuel system instead of shedding it in the water separator, which leads to further fuel system corrosion. This issue can be addressed through proper fuel blend formulation and vehicle development.
Biodiesel crops yield comparatively less energy per unit of crop area than that available for ethanol crops.
Expanding Biodiesel Use To allow for more extensive use of biodiesel, we're working with other manufacturers and fuel providers to address concerns related to use of higher biodiesel concentrations and establish national and international specifications for biodiesel quality. When biodiesel fuel quality can be controlled, we expect that controlled fleet operations will be able to switch to next-generation biodiesel-capable vehicles. We're conducting research with Michigan State University to discover potential fuel-processing steps to improve the properties of biodiesel. If successful, this research will open the door to more extensive use of biodiesel. Source: Ford Motor Company Read full article