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Walmart, Cummins, and Chevron debut first 15-liter RNG engine on the road in North America

Walmart, Cummins, and Chevron debut first 15-liter RNG engine on the road in North America
A Walmart driver and truck. With 12 000 drivers, 10 000 trucks, and 80 000 trailers driving 1.1 billion miles (1.76 billion km) every year, the company operates one of the largest truck-trailer fleets in the US. With a fleet of this scale, it made up approximately 24 percent of the company's Scope 1 emissions in 2020 (photo courtesy Walmart).

In the United States (US), retailer major Walmart Inc. is reaching a new destination in its goal for a zero-emissions transportation fleet with the debut of the first North American—and the first of five— 15-liter compressed natural gas engines from Cummins Inc. that will be incorporated into Walmart’s private fleet.

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Outfitted with the inaugural Cummins “X15N” CNG engine designed for heavy-duty vehicle (HDV) transportation fleets, the first-of-its-kind truck will travel across the country fueling up at Chevron CNG locations to demonstrate the next-era in lower carbon.

The X15N engine is supplied by Cummins and fueled by Chevron with compressed natural gas (CNG) linked to renewable natural gas (RNG).

The Walmart truck is making its inaugural trip from Indiana (IN) to California (CA), making pit stops along the way to refuel at Chevron stations.

Walmart transportation is focused on the continuous piloting of solutions that aren’t just changing the industry, but are having a lasting impact on the world. We are proud to team with Cummins and Chevron to develop industry-leading advancements that pave toward a lower carbon future, said Fernando Cortes, SVP of Transportation at Walmart.

One of several initiatives

Cummins X15N engine (image courtesy Cummins).

Last year, Walmart announced several first-of-their-kind initiatives among its Class 8 transportation fleet as the retailer pursues its goal to achieve zero emissions across global operations by 2040, the introduction of this CNG-powered truck is an important milestone in the retailer’s journey.

While trucking has historically relied on diesel to fuel its engines, a move toward RNG is an important step toward lowering fleet emissions.

Working with partners like Walmart to test new products like the X15N gives Cummins valuable real-world data that helps us validate our engines prior to moving into full production. Chevron has also been very helpful in our test; to help increase CNG fuel availability that will enable the adoption of alternate technologies faster,  said Puneet Jhawar, General Manager for Spark Ignited Products at Cummins.

At the end of the road, it will be featured at the Advanced Clean Transportation Expo (ACT) in Anaheim, California (CA), on May 1-4, 2023.

At ACT, the vehicle will be on display and available for attendees to jump in and take a ride.

Chevron is constantly pursuing solutions that drive progress toward a lower carbon future. Partnering with Walmart and Cummins on the road trip and demonstration can help us deliver that progress today for transportation, the industry, and customers who rely on all of our products to advance a lower carbon economy, said Andy Walz, Chevron’s President of Americas Products.

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