Nissan decided that they wanted to reduce carbon emissions by 2016. The amount they were looking for was a 20 percent drop from their 2005 levels by 2016.
What they did instead was cut carbon by 22.6 percent by 2014, two years ahead of their goal.
To put that in perspective, we're talking about enough carbon dioxide that it would take 23,656,000 cedar trees to filter it out of the air -- 331,184 tons.
Nissan reached this goal so quickly because they formed Nissan Energy Saving Collaboration (NESCO) teams. NESCO audits manufacturing facilities around the globe, and carefully measures how energy is being used. Then they make a recommendation on how to use that energy better.
For instance, at one plant, induction furnaces accounted for 87 percent of the manufacturing line's electricity use. They only had one standard size of furnace for all sizes of materials. You can imagine some of the smaller-diameter materials going through a larger-sized furnace would be as inefficient as toasting a single slice of bread in the oven, instead of the toaster.
By using three different sizes of induction furnace to match the heated material's size, they saved 380 tons of CO2 per year.
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