According to an analysis by the Diesel Technology Forum of vehicles in operation data provided by IHS Markit, 46% of the U.S. Northeast region’s commercial vehicles are now equipped with the newest, most advanced diesel technology that achieves near zero emissions and tailpipe emissions standards established by the U.S Environmental Protection Agency.

As stated in a recent press release from Diesel Technology Forum, the adoption rate for new technology diesel vehicles in the Northeast is just below the national average of 49%. Massachusetts and New Hampshire are among the leading states for the fastest adoption the most new-generation diesel trucks in the nation, as the clean diesel fleet in both states expanded by 8% since 2019.

Upgrading the oldest trucks on the roads throughout the Northeast with the latest generation diesel trucks has saved nearly 1.5 billion gallons of fuel and removed 30 million tonnes of greenhouse gas emissions, along with 2.6 million tonnes of emissions of oxides of nitrogen (NOx) and 150,000 lbs. of fine particle emissions since 2007, according to new research commissioned by the Forum and conducted by AutoForecast Solutions.