At the end of the TED Talk IBM's marketing gurus captured my attention with a commercial that was even more interesting. Two and half minutes to learn about Stockholm's congestion pricing project and how it has reduced traffic by 18 percent as well as provide incentive for the purchase of fuel efficient vehicles. London has also implemented a successful congestion pricing strategy.
Fusion is predicted to provide electricity sometime in the 2030s. Congestion pricing is reducing greenhouse gas emissions now.