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Alberta took a step toward easing the pain of its crude-production caps by allowing oil companies to exceed output limits if they ship the extra production by rail.

ATLANTA — Donaldson Co. said recent tests show the Donaldson PowerCore filters can save fleets up to $215 per truck per year, because the filters provide 27% less restriction.

ATLANTA — Rocketail announced it will be making its two side wings, attached to improve a trailer’s aerodynamic flow, flexible upon contact.

Canadian carrier Mullen Group Ltd. posted a 6.4% decline in net income in the third quarter, to C$20.5 million or 20 cents per share, according to a company news release Oct. 24.

ATLANTA — Daimler Trucks has been investing heavily in battery-electric commercial vehicles, but the manufacturer also sees a place for hydrogen fuel-cell technology in the transportation industry’s long-term move toward zero emissions.

ATLANTA — Hyundai Motor Co. announced prototypes of a zero-emissions hydrogen fuel cell-powered Class 8 on-highway tractor and a refrigerated trailer with cryogenic cooling technology intended, potentially, for the U.S. market.

ATLANTA — An optimized design feature led to the production of a wheel weighing in at 64 pounds, one of the new products Maxion Wheels debuted at the North American Commercial Vehicle Show.

RIYADH, Saudi Arabia — The long-planned initial public offering of a sliver of Saudi Arabia’s state-run oil giant Saudi Aramco will see shares traded on Riyadh’s stock exchange in December, a Saudi-owned satellite news channel reported Oct. 29 as the kingdom’s marquee investment forum got underway.

WASHINGTON — General Motors, Fiat Chrysler, Toyota and many others in the auto industry are siding with the Trump administration in a lawsuit over whether California has the right to set its own greenhouse gas emissions and fuel-economy standards.

The U.S. average retail price of diesel rose 1.4 cents to $3.064 a gallon, the Department of Energy reported Oct. 28.