The EPA estimates that the average gas-powered passenger vehicle emits about 411 grams of CO2 per mile. A fleet of all-electric vehicles driving 3 billion miles would save 1,3 million tons of CO2 emissions from being emitted at the tailpipe.

3 billion miles driven is what Tesla’s fleet all-electric vehicles achieved this week.

Of course, that’s at the tailpipe. It’s significantly less than that when you account for electricity generation, but as we recently reported, the grid is getting cleaner and therefore, the impact of all-electric vehicles will become more significant.

Now it’s impressive to look into how quickly Tesla’s global fleet reached 3 billion electric miles driven.

It reached the first billion in June 2015 or about 3 years after the Model S was on the road for the first time.

The second billion miles were reached just a few months ago in April 2016:

And now the company reached 3 billion miles yesterday according to the countdown on the ‘Electric Road Trip‘ page on its website.

It took only 6 months for the last billion miles.

As you can see from the chart above, the number is expected to keep going up quite rapidly. Tesla CEO Elon Musk said earlier this week that this quarter is ‘likely the best quarter in Tesla history’. The automaker is expected to have its best quarter ever for deliveries and those cars will quickly add miles to the chart.

How many electric miles have you contributed? How many do you plan to contribute when you get yours? Let us know in the comment section below?

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