Three Peterbilt near-zero emission trucks approved by California’s HVIP, Picture of red Peterbilt 520 new refuse truck on a tree lined street.
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Qualified buyers under the California Hybrid Vehicle Incentive Program (HVIP) can start queuing for vouchers after regulators approved the first trio of Peterbilt Cummins' near-zero natural gas powered trucks. The three trucks are the Model 320, Model 520, and Model 567.

The vouchers are worth different amounts depending on the model of the truck. Model 320 purchasers will receive vouchers worth $8,695, Model 520 purchasers will receive vouchers worth $8,694, and Model 567 purchasers will receive vouchers worth $8,400.

The first two engines aren’t new to the market. The Model 320 has been used in refuse and vocational truck industries for a long time. The Model 520, meanwhile, was introduced in the market last year and has also been heavily used in both the refuse and recycling industries.

Model 567, however, was just approved for the voucher program on March 15. It is an over the road tractor mostly used for freight hauling and construction work, but is likely to also find a few uses in the refuse transfer industry.

The three trucks under HVIP funding are in the 33,000 to 80,000 GVWR range and are equipped with Cummins' ISL-G near-zero, 8.9 liter, 320 horsepower natural gas engines. All the three are priced at well over $100,000.

The main benefit of the Cummins’ near-zero natural gas engines is that they produce very low levels of nitrogen oxide (NOx) emissions. NOx (a combination of nitrogen dioxide and nitric oxides) is a byproduct of fuel ignition. It is characterized by smog and acid rains and can cause a range of respiratory diseases. The three Peterbilt trucks produce 90% less NOx than the Environmental Protection Agency's present limits.

HVIP was created to help offset the additional cost of advanced technology and is funded from the state carbon emissions auction fees. It intends to promote commercial use of low emission trucks – with a focus on battery-electric, natural gas powered, and hybrid models.

Over the past seven years, more than 3,100 fleets and individual buyers of these low emission trucks have benefited from the program. And demand is on the up. Since November 2016, more than $27 million in HVIP vouchers have been processed, nearly three times 2015’s total.

Interest in the Peterbilt low NOx emission trucks also seems to be very high. The first voucher for these trucks was processed in January and just three months later, 200 vouchers have been processed.
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