There’s been some concerns over the way Tesla is reporting the power output of its Model S, especially the Dual Motor version. Until recently, the company advertised the combined power output of both motors without accurately accounting for the limitations of the battery pack.

This resulted in the Model S rarely, if ever achieving the advertised horsepower. After several complaints from owners, CTO JB Straubel wrote a blog post explaining the logic behind Tesla’s calculations, but some owners in Norway still moved forward with formal complaints to the local consumer protection agency. expand full story