Mysterious Tesla ‘D,’ VW XL Sport, 2015 Honda CR-V Gas Mileage: Last Week In Reverse (Video)

How good were September’s electric-car sales? And, what did Elon Musk mean by the letter “D”?

This is our (slightly belated) video look back at the Week In Reverse–right here at Green Car Reports–for the seven days ending on Sunday, October 5, 2014.

Sunday, we learned that the upcoming 2016 Cadillac CT6 luxury sedan will offer a plug-in hybrid powertrain.

Frame from 2014 Cadillac ELR video on YouTube, with actor Neil McDonough

Here’s hoping it sells better than the overpriced Cadillac ELR range-extended electric luxury coupe.

On Saturday, we described two new features quietly added to the Tesla Model S electric car: ‘speed assist’ and lane-departure warning.

Friday, we wrapped up our monthly plug-in electric car sales report for September. The verdict? Still above 10,000 units delivered, but not as strong as July or August.

Tesla CEO Elon Musk led our news on Thursday, with a cryptic tweet about plans to unveil ‘D’ on Thursday

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