Ever wondered why Teslas – and a growing number of new cars – don’t have spare tires? 'Ready whip' is one dubious solution ...

This patent adds to the brand's recent proposals regarding ... Often forgotten until an emergency arises, this new system ...

The best place to start is your owner's manual, which should list the exact recommended mileage for the spare tire. If you don't have a manual, 70 miles is the rule of thumb. Temporary, donut ...