(6) The final GHG emission standards and augural CAFÉ standards for model years 2022 through 2025 are projected to achieve an average overall fleet-wide emissions target of 173 grams CO 2 per mile and an average overall fleet-wide fuel economy target of 46.3 miles per gallon by the year 2025, resulting in a 540 million metric ton reduction in greenhouse gases and a 1.2 billion barrel reduction in oil consumption over the lifetime of these vehicles. (b) Sense of congress It is the sense of Congress that maintaining the GHG and CAFÉ standards at their current levels through model year 2025— (1) is essential to achieving the projected fleet wide average goals of 173 grams CO 2 per mile and 46.3 miles per gallon