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GM accused of cheating on emissions tests for big diesel engines

May 26, 2017

Everybody loves pickup trucks in America, the bigger the better. And the biggest and baddest GM pickups are often powered by giant Duramax diesel engines. These engines are marketed as being clean diesels, but a recent lawsuit claims that GM has been using default devices (like Volkswagen did) to fudge the emissions tests. The first two paragraphs are fun:

1. This is what General Motors (“GM”) promised when selling its popular Silverado and Sierra HD Vehicles—that its Duramax engines turned “heavy diesel fuel into a fine mist,” delivering “low emissions” that were a “whopping reduction” compared to the prior model and at the same time produced a vehicle with “great power.”

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