The $1 trillion bill looks to be a boon for school districts that want clean-energy vehicles - and bus companies that supply them…
June 28, 2021 |
Renewable diesel is often produced from a process called hydrotreating, which is already being utilized in today’s petroleum refineries. During this process, hydrogen replaces other atoms such as sulfur, oxygen and nitrogen and converts the oil’s triglyceride molecules into paraffinic hydrocarbons. The resulting renewable diesel reduces waste and by-products, yields a higher energy density and improves cold flow properties. This process also enhances the blended fuel storage and stability of the finished biofuel product.
Yet, hydrotreating is only one method of producing renewable diesel. According to the Diesel Technology Forum, other methods under consideration for creating renewable diesel fuel include biomass-to-liquid (BTL) and thermal conversion process (TCP) technologies. BTL uses high-temperature gasification to convert biomass into synthetic gas, or “syngas,” and then uses a Fischer-Tropsch process to catalytically convert the syngas to liquid fuel. TCP processing converts biomass or other carbonous material into a “bio-oil,” which is then refined into diesel-like fuel.
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The industry will continue to rely on diesel engines where vehicles travel long distances, pull particularly heavy loads or operate in harsh environments.…
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