A lot of factors play into an electric-vehicle's charging time, but a general rule is that the higher the on-board charger, the shorter that time will be. The on-board charger in the first-generation Nissan Leaf was 3.3 kW. The upgraded second-generation could use a 6.6 kW charger. On the new, third-edition Smart ED, there's a 22-kW charger. Today, Volvo announced a new 22-kW fast-charger for the C30 Electric that "operates on three-phase supplies and is small enough to be fitted in an electric
Understanding electric and plug-in vehicles requires a slightly different knowledge set than what mechanics and drivers have needed to know for decades. One of the most obvious new concepts is the large battery pack and electric motor added to the car. The capacity values of these devices can be written using kW (kilowatt) and kWh (kilowatt hours), but don't think that a 90 kW motor is anything like a 90 kWh battery pack. That little h makes a big difference. Exactly what is the difference? Well
The new 911 GT3 has been praised as the finest iteration of the iconic coupe to ever come out of Stuttgart. And it's easy to see why. Lightweight components matched with an overly engineered powerplant and a superior suspension all conspire to make this 911 a perfect balance between track terror and daily driver. But KW thinks they can improve upon that last bit.