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NYC goes biodiesel

Posted on September 30, 2013 by Dani MolnarAugust 2, 2023

On Sept. 4 New York City Mayor Michael Bloomberg signed a citywide ordinance mandating the use of a minimum B5 biodiesel fuel in all internal fleet vehicles. The mandate also required that April through November all public works vehicles will … Continue reading →

Biodiesel fuel concerns peak in the wintertime

Posted on September 16, 2013 by Dani MolnarAugust 2, 2023

Another method of testing biodiesel fuel is the 3/27 test to gauge the quantity of glycerides — unconverted feedstock — that might be present in the fuel. The photo shows Rich Cregar checking a sample for glycerin for two of his biofuel technology students, Robert Harkins and Richard Sosnowski. (Photo provided)

Biodiesel fuels are diesel fuels that are animal fat or vegetable oil based. After production, they are chemically combined with methane alcohol to produce fatty acid esters, which can then be burned. Without the proper chemical reaction, glycerine, which is … Continue reading →