Tesla Motors Inc. said it was stepping up production plans for its upcoming Model 3 mass-market sedan and would build a total of 500,000 all-electric vehicles in 2018, two years ahead of schedule, but warned that spending will ramp up in tandem. Tesla, which produces the luxury Model S sedan and Model X sport utility vehicle, aims to become a high-volume automaker in a matter of...

Up until this point, we’ve only driven the Tesla Model 3 in short bursts. And we’ve liked it very much. Now, it’s time to see what it’s like to live with for a longer-term test. We have a Model 3 Long Range for the weekend. What do you want to know about it? So far, I quite enjoy the car. It’s comfortable and its steering is very responsive. It’s quick when you need bursts of...