The one thing they did not mention was the battery weight and size. The biggest barrier for electric cars and other battery uses is the ratio of energy to weigh

The one thing they did not mention was the battery weight and size. The biggest barrier for electric cars and other battery uses is the ratio of energy to weight and size. Today, this ratio enables about 70-100 miles travel for an electric car with a similar weight and size as a gasoline car. will be interesting to follow this initiative.