Thanks for the homework, but no thanks. You do it. Off the top of my head, consumer vehicles globally contribute 5-6% of Climate Change-causing emissions. If y

Thanks for the homework, but no thanks. You do it. Off the top of my head, consumer vehicles globally contribute 5-6% of Climate Change-causing emissions. If you'd care to look, you'll see this pales in comparison to the major contributors, electricity generation, agriculture, deforestation, oil drilling, etc. If we could overnight stop the major contributors, such as industrial processes, your ice car just wouldn't matter.