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California Rules That Chevy Volt Pollutes More Than VW Diesels

July 17, 2013

This story is brought to you by Gas 2.0

According to the California Air Resources Board (CARB), Chevrolet’s upcoming Volt is an ultra-low emissions vehicle, or ULEV–which is great, until you realize that tailpipe emissions from Volkswagen’s line of TDI diesels, Toyota’s Prius and Honda’s full line of Hybrids are (per CARB) significantly cleaner.

Chevy’s Volt performed well in most categories, but not concerning carbon monoxide. CO limits for SULEV status is 1.0 grams per mile (below) while ULEV is 2.1 g/mi. Volt produces 1.3 g/mi.

To be fair, CARB requires that these tests must be completed with the car’s ICE (internal combustion engine) running, and since the Volt theoretically doesn’t need to burn any gasoline on short drives it doesn’t benefit from its electric-only abilities in this test … although the same could be said of Toyota’s Prius which performed significantly better than the Volt in the same test, earning the Prius a better CARB rating.

There are, I am sure, dozens of ways to interpret this data, but (to me) this news–along with the Cruze’s “reduced” mpg numbers and the Volt’s “outing” as a much more conventional hybrid–seems like another chink in the armor for the new GM.

For those of you who’d like to deep-dive into the mathematics involved, you can CLICK HERE to check out the full CARB report (in PDF format).

SOURCE: California Air Resource Board, via

Read more: California Rules That Chevy Volt Pollutes More Than VW Diesels – Chevy Volt vs. Diesels – Popular Mechanics
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