With little noise from the engine, electric cars may be a danger to blind pedestrians who cannot hear them approaching. To address those safety concerns, transportation agencies in the U.S. and Japan may mandate artificial sounds for the vehicles. The authors check in with Nissan engineer Toshiyuki Tabata, who is working on recreating engine noise for a new generation of quiet cars.

Reporting from this year’s Frankfurt Motor Show, the authors ask an important question. “From major automakers to niche manufacturers, the race is on to get green cars on the road in the coming years, but one question lingers: after many false starts, are drivers finally ready for them?”

We all know that Jay Leno is a car guy. As Jim Motavalii points out in this feature for the New York Times, Leno is also a GREEN CAR guy! His new weekday prime time show includes a segment called “Green Car Challenge.”

The love affair between Americans and their cars hasn’t come to an end.  But it is changing, and fast.  Our society is going green, and that presents us with new options in the cars we …