Cambridge MA warns drivers of the dangers of burning gas, diesel and ethanol

Cambridge Massachusetts has recently started placing high visibility yellow stickers on fuel pumps warning drivers of the dangers of burning fossil fuels and even ethanol. The label, somewhat reminiscent of the warnings used on tobacco products, warns of human health concerns and climate change. What interests us most here is the future implications. Cigarettes, something that was once a part of normal life is now something we know as extremely harmful to our health. Could pumping diesel become the next cigarette?