Articles tagged with: air quality
Researchers from Purdue University and Cummins Inc. have developed an advanced “closed-loop control” approach for preventing diesel engines from emitting greater amounts of smog-causing nitrogen oxides when running on biodiesel fuels.
Operating truck engines on a …
Miners have several ways of knowing whether the air they breathe hundreds of feet below ground is cleaner. Mine companies Rogers Group and Hutchinson Salt Company both have extensive testing that shows biodiesel cuts emissions …


