NEWS: Tesla says these new Standard Range Model S and Model X cars are software limited. This means they don't use LFP batteries.

Tesla does not plan to offer firmware upgrades to unlock more range or performance in the future.

Sawyer Merritt: BREAKING: @Tesla has launched an all-new Standard Range Model S and Model X in North America. Both are $10k less than the Long Range Model S/X.

Model S Standard Range:

• $78,490
• 320 mile range
• 3.7s 0-60MPH

Model X Standard Range:

• $88,490
• 269 mile range
• 4.4s…

via Twitter @Sawyer Merritt