Electric cars can help reduce greenhouse gases and companies are taking note — racing to become the next Tesla. Today on the show, guest host Dan Charles talks with business reporter Camila Domonoske about how serious the country is about this big switch from gas to electric cars. Plus, what could get drivers to ditch the gas guzzlers?For more of Camila's reporting on electric cars, check out "The age of gas cars could be ending" and "2 little-known automotive startups are leading the race to become the next Tesla"You can email the show at ShortWave@NPR.org.