Requires DEP to adopt rules and regulations establishing alternative provisions by which vehicle manufacturers may comply with Low Emission Vehicle program.

S 4565 requires New Jersey's Department of Environmental Protection (DEP) to create an "Interim Alternative ZEV Compliance Program" for vehicle manufacturers. The bill affects automakers selling new vehicles in New Jersey by providing an alternative way to meet zero-emission vehicle (ZEV) requirements for model years 2027 through 2031. Under this program, manufacturers can comply by offering dealers a portfolio of required ZEVs based on actual consumer demand - up to their manufacturing capacity - without mandating specific vehicle sales to dealers or consumers. This replaces strict sales quotas with a demand-based system, giving manufacturers a defense against penalties for not meeting previous ZEV sales targets.