US rolls back CAFE rules: GM to save $20.4 billion

The US repealed federal tailpipe emissions standards and lowered the CAFE average fuel economy requirement from 50.4 mpg to 34.9 mpg. The Transportation Department estimates GM will save $20.4 billion between 2026 and 2031, with Stellantis at $6.6 billion, Ford at $5.8 billion, Toyota at $4.5 billion and Honda at $4.1 billion. The new rules take full effect by December.

• CAFE average fuel economy requirement cut from 50.4 to 34.9 mpg
• GM expected to save $20.4 billion between 2026 and 2031
• Stellantis $6.6B, Ford $5.8B, Toyota $4.5B, Honda $4.1B
• New standards take full effect by December