Today on Green Car Reports: We find out how Tesla treats its customers when something breaks, we drool over the Audi Sport Quattro concept, and the Chevrolet Volt and Nissan Leaf hit new sales highs. All this and more on Green Car Reports.

Tesla Model S owner David Noland experiences Tesla’s new and improved service program firsthand.

Audi teases us with a Quattro tribute concept that recalls their classic all-wheel-drive coupe, but this one has a plug-in hybrid powertrain.

PlugShare is launching PlugScore, a way for electric car drivers to rate charging stations. Consider it the Yelp of green driving.

Lexus unveils the gratuitously angular LF-NX concept, previewing the upcoming NX compact crossover, which will likely include a hybrid model.

Getting back to plug-in cars you can actually buy, the Chevy Volt and Nissan Leaf both set all-time monthly sales records in August.

And finally, the U.K. government hopes to consign gasoline and diesel cars to the dustbin of history by 2050. Talk about ambitious!

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