Carmakers are playing catch-up with Tesla on air filtration

The checklist for a safe car trip in the era of climate change goes a little something like this: four-wheel drive to handle more intense rainfall, two-way charging to withstand a blackout, and seatbelts all around because EVs are dangerously heavy. Drivers dealing with wildfire smoke might add one more accessory to the lineup: five small air filters taped to a box fan.