Fireside chat: Where the sidewalk ends, the off-road begins. Why off-road emissions matter and how California is advancing technology in the off-road space.
21 Aug 2025
Room 1
Off-Highway Evolution Summit - day 2
Per Governor Newsom’s Executive Order N-79-20, Assembly Bill 32 and Senate Bill 32, California is heading rapidly toward a zero-emissions landscape and cleaner air. Mr Diener will provide an overview of the California Air Resources Board’s existing and planned off-road zero-emissions programs. These include the Clean Off-Road Equipment Voucher Incentive Project (CORE), advanced technology off-road demonstrations, Tier 5 Off-Road Compression Ignition Engine standards, and the upcoming Phased Advanced Clean Equipment Rule. Also discussed will be some interesting examples of deployments of zero-emission off-road equipment as well as a voluntary California Clean Construction program under development.
As on-road emission standards have advanced, the relative contribution of off-road emissions in California have increased, with an outsized impact on low-income and disadvantaged communities
Off-road zero-emission equipment provides a way to cut both criteria and greenhouse gas emissions, often while providing savings on fuel and maintenance
Advancements in cleaner off-road engines have progressed and California is pursuing standards accordingly
California has ambitious greenhouse gas reduction targets and an executive order that are rapidly pushing the State to zero emissions.
California is offering numerous carrots and sticks to encourage the transformation to zero-emission technology, including funding demonstrations, providing incentive funding, facilitating infrastructure expansion and implementing regulations
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