Marketing PPM Technology 
Harvard Business Review
JANUARY 19, 2011
The hybrid Prius was a legitimate business home run (2 million sold), and it helped both differentiate Toyota's brand as the market innovator and propel Toyota to unprecedented profits. The 2011 Ford Explorer, for example, is using EcoBoost engine technology to improve fuel efficiency by 25%.
Harvard Business Review
DECEMBER 4, 2015
A recent UK report argued against the efficacy of voluntary measures, but the presence of 400 ppm CO 2 in the atmosphere should be enough to prove the point. Now we are left nearly empty-handed, with no meaningful regulation of greenhouse gas emissions, and no market-based mechanisms to control them, either.
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