Comments made on 4/12/23.

Light medium and heavy duty vehicles are Some of the biggest contributors to Greenhouse gas pollution The first set of proposed standards Focus on light and medium duty vehicles It builds on epa's existing standards For passenger cars and light trucks for Model years 2023 through 2026 EPA estimates that this proposal would Reduce our cumulative CO2 emissions by 7.3 billion metric tons from the years 2027 through 2055.