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What EPA Regulations Affect RV Travel? What is DEF?

In 2000 the EPA signed emission standards which targeted the reduction of emissions for on road vehicles for MY 2007 and beyond.

Did you know that as of 2015 all generators over a certain power rating have to be Tier 4 rated?

Did you know that from 2001 to 2010 the increase in downtime for diesel engines with Tier 4 compliance increased by 29%? What does this mean to the future of on board generators?

Learn more About EPA Regulations

Most RV OEMs chose a process called Selective Catalytic Reduction (SCR) to comply with new EPA regulations for reduced emissions. SCR technology uses Diesel Exhaust Fuel as a means to reduce emissions. DEF is a solution stored in a tank, which is injected into the exhaust stream, reacting with the Nitrous Oxide (NOx) in the SCR catalyst, forming harmless nitrogen and water.

Visit the EPA site for more information: http://epa.gov/oms/hd-hwy.htm.

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