diesel engines

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Diesel innovation has humble beginnings

October 24, 2019 • LIVERMORE, Calif. — An engine innovation first conceived and tested by Sandia National Laboratories has attracted the attention of big business because of its potential to cost-effectively reduce emissions of soot and nitrogen oxides, encourage the use of renewable fuels, and maintain or improve engine performance. Ducted fuel injection, developed...
Researchers show off the prototype ducted fuel injection module.

Deconstructing deleterious soot

February 7, 2019 • LIVERMORE, Calif. — In most situations, breaking things apart isn’t the best way to solve a problem. However, sometimes the opposite is true if you’re trying to characterize complex chemical compounds. That’s what Sandia National Laboratories scientists Nils Hansen and Scott Skeen did to definitively identify pollution-causing soot precursors in...

Low-temperature combustion enables cleaner, more efficient engines

August 13, 2013 • LIVERMORE, Calif.— As demand climbs for more fuel-efficient vehicles, knowledge compiled over several years about diesel engines and a new strategy known as “low-temperature combustion” (LTC) might soon lead auto manufacturers and consumers to broader use of cleaner diesel engines in the United States. The journal Progress in Energy and...