The Biden administration announced finalized greenhouse gas emissions regulations for new light-duty cars and trucks Monday, hailing the rules as “paving the way” to a net-zero emissions economy.

The Environmental Protection Agency standards apply beginning in the model year 2023 and increase through model year 2026, when automakers will be required to reach an average of 55 miles per gallon across their fleets. EPA said it expects the program will result in avoiding more than 3 billion tons of greenhouse emissions by 2050.