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Nikola Corp. made a fuller-throated denial of a report last week that claimed the electric-truck maker had deceived investors, accusing a short seller of mischaracterizations and distortions.

Walmart Inc. has cut 230 million metric tons of greenhouse gases out of its supply chain in the past three years, putting the world’s largest retailer on track to achieve its 2030 emissions goal.

Schneider said it will test the Freightliner eCascadia through 2021 to address potential challenges to widespread use of commercial battery-electric vehicles.

Penske Truck Leasing announced that dedicated fleet services company Black Horse Carriers has joined its electric vehicle program.

J.B. Hunt Transport Services has issued a report that provides a window into the company’s current energy usage and outlines a series of corporatewide sustainability goals it has adopted.

Wilks Brothers has made a competing proposal to recapitalize struggling energy company Calfrac Well Services Ltd. and criticized management’s deal as favoring insiders.

Schlumberger Ltd. posted its weakest sales in 14 years and is cutting one-fifth of its workforce while warning that new waves of COVID-19 could derail the nascent recovery in global energy demand.

Baker Hughes Co. is bracing for a second wave of pandemic-induced lockdowns after the virus crippled economic activity around the world and compounded a historic oil bust.

Halliburton Co. impressed investors by slashing costs more than expected as the fracking behemoth works its way through an historic shale bust. The shares surged more than 8%.