Weight reduction and improved regenerative braking helped the Tesla Model S Long Range Plus achieve the lofty rating.

As Tesla has scrambled to revamp its model lineup in the face of lower tax credits and falling U.S. sales, some new variants have gone on sale before the EPA's site, FuelEconomy.gov, has even posted ...

Some Tesla owners have reported more battery capacity drain than Tesla generally anticipates. Here's what's happening and what could be causing it.