Mandating Legacy: The Return of AM Radio in Modern Vehicles

Congressional Push for AM Radio Reinstatement

In a significant legislative move, the U.S. House of Representatives has approved a bill that would compel all automakers to equip new vehicles, including electric models, with AM radio tuners as a standard feature, without any extra charge to consumers. This decision comes amidst a growing trend of automakers removing AM radio from their offerings.

The Disappearing Act of AM Radio

While many modern drivers opt for digital audio like podcasts and streaming music, the traditional AM radio band has been quietly phased out of new car designs. This congressional action aims to reverse that trend, underscoring the perceived importance of AM radio, especially for emergency communications.

Electric Vehicles and Electromagnetic Interference

A key challenge highlighted by this mandate concerns electric vehicles. The AC motors and power electronics in EVs generate significant electromagnetic frequencies. These frequencies can interfere with AM radio signals, leading to issues such as buzzing, whining, and static, which degrade audio quality and user experience. Consequently, several manufacturers, including Tesla and Rivian, have omitted AM radio from certain EV models.

Automaker Concerns Regarding Cost and Complexity

Addressing the interference problem in EVs requires engineering solutions such as shielded cables, advanced signal filtering, or repositioning of components like antennas and receivers. Automakers argue that implementing these solutions would increase production costs and complexity. Despite these objections, the bill explicitly states that AM radio must be provided "for no additional or separate monetary fee, payment, or surcharge, beyond the base price."

Emergency Preparedness and Future Outlook

Proponents of the bill emphasize AM radio's critical role in the Emergency Alert System. Although a vast majority of Americans possess cell phones capable of receiving wireless emergency alerts, lawmakers believe that maintaining AM radio access in vehicles is essential. The bill's journey is not yet complete, as it still requires approval from the Senate before becoming law. Even if passed, automakers will face the task of integrating AM radio seamlessly into EVs, raising questions about its practical usage by future vehicle owners.