The Society of Automotive Engineers developed a recommended practice for plug-in charging of heavy duty electric vehicles. The new standard was designed to offer a single vehicle charging coupler solution for three-phase and single-phase AC and DC charging.
No A/C, Windows Open for Summer Driving Doesn't Save Fuel
Conventional wisdom suggests that rolling down windows and turning off the A/C during summer driving can help improve fuel economy. However, a group of SAE International engineers hope to enlighten drivers about this misconception.