Weakened US fuel-efficiency rules and promises of cheaper cars could see drivers pay higher running costs while also increasing carbon emissions.

AI justification

Weakening fuel-efficiency rules enables higher emissions and economic harm, outweighing minor short-term benefits. | The decision to weaken fuel-efficiency rules prioritizes short-term economic convenience over long-term environmental and social sustainability. While it may reduce upfront vehicle costs, the action directly undermines climate goals, exacerbates inequality, and locks in harmful infrastructure. The negative aspects substantially outweigh the minor, transient benefits.