By Chris Crowel

Chris has been the Cummins RV and emergency vehicle engine business leader for the past eight years. Previously, he served for 25 years as a Cummins customer support specialist. He also chairs the FAMA Chassis subcommittee.

Fire apparatus designers have been challenged with adapting to new engine emissions regulations every three to five years since 1991. These regulations took a major step in 2010 when the Environmental Protection Agency (EPA) emissions regulations forced a reduction in oxides of nitrogen (NOx). To achieve these lower NOx levels, diesel engine manufacturers had to Continue reading

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