Today on Green Car Reports: the latest update on laws to make silent electric cars noisier, why the AirFlow BulletTruck might be the future of semis, and some thoughts on the notion that General Motors should buy electric-car maker Tesla. All this and more on Green Car Reports.

We looked into the latest updates on laws to add noise to silent electric cars.

Is the BulletTruck what semis will look like in the future?

A new report says 150 years of carbon emissions can be traced to 90 companies.

Should GM buy Tesla? We weigh the pros and cons.

The first 2014 Ford Fiesta 1.0-liter EcoBoost models were delivered late last year.

There will be 54 million autonomous cars on the road within 21 years, a new study says.

The Subaru Levorg concept hits the track, but it hasn't hit showrooms yet.


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