Emissions

41  -  60  of  191

August 30, 2016

Phase 2 GHG Rules to Curtail Use of Glider Kits

Starting in January of 2021, under the new greenhouse gas regulations, glider kits will be allowed mostly for their original purpose, which was reclaiming late-model powertrains from wrecked trucks.

August 30, 2016

Peterbilt Offers Cummins Near-Zero Emissions Natural Gas Engine

Peterbilt is offering the Cummins Westport ISL G Near Zero NOx emissions natural gas engine for its Model 567, 520, and 320 trucks.

August 29, 2016

GHG Phase 2: Trucking Industry Reactions

Industry reactions to the final greenhouse gas/fuel efficiency rules for medium- and heavy-duty trucks tended to be [mostly] upbeat and positive, reflecting a determination to roll up the sleeves and deal with trucking’s latest reality.

August 19, 2016

Emissions-Free Refrigeration Unit Project Gets $400K Grant

Renewable energy solutions company eNow has received a $400,000 grant from the San Joaquin Valley Air Pollution Control District to deploy its solar panel refrigeration solution in the area’s transportation networks.

August 16, 2016

Final Greenhouse Gas Phase 2 Regs Unveiled

The federal government released highly anticipated "Phase 2" greenhouse gas/fuel economy rules for medium and heavy-duty vehicles Tuesday, which in some ways go further than the original proposal unveiled last year.

July 15, 2016

Commentary: Devil's in the Details of California Emissions Dream

Yes, it’s a worthy goal to improve the environment and public health by reducing emissions. But you can’t blame trucking for looking at proposals to further cut NOx with a good bit of trepidation.

June 6, 2016

Truck GHG Phase 2: Final Rule Could See August Release

The Environmental Protection Agency and the National Highway Traffic Safety Administration submitted its proposed Phase 2 GHG/MPG rule for trucks and trailers to the Office of Management and Budget on June 3 for required regulatory review.

May 20, 2016

Mack Testing Hybrid Drayage Truck at SoCal Ports

Mack Trucks will demonstrate two zero-emission capable drayage trucks as part of a California-based heavy-duty truck development project led by the South Coast Air Quality Management District.

May 18, 2016

Figuring Out DPF Maintenance

DPF and aftertreatment systems may be a maintenance nightmare, but they aren’t going away. It’s up to you to figure them out.

February 26, 2016

Commentary: Keeping DPFs Clean

Exhaust gas circulation valves and coolers and DPFs have been around since 2007, but not all fleets have a good understanding of the proper cleaning cycle.

February 18, 2016

Trailer Maker Says EPA ‘Overstepped’ on GHG/Fuel Economy Proposal

EPA wants more fuel-saving devices on trailers under proposed greenhouse-gas-reductoin rules. But one trailer maker says they won't provide as much benefits as regulators think. Tom Berg explores why in his Trailer Talk blog.

January 7, 2016

Mack Approves Renewable Diesel for its Engines

Mack Trucks has officially signed off on the use of renewable diesel fuel in all Mack engines after a period of truck and engine testing.

January 4, 2016

Cummins Engine Lineup Gains 2017 GHG Certification

Cummins has received EPA certification for its lineup of on-highway diesel and natural gas engines meeting current and 2017 greenhouse gas and fuel efficiency standards.

December 9, 2015

Volvo OKs Renewable Diesel for Its Engines

Volvo Trucks North America has approved the use of renewable biodiesel fuel for all of its engines after lab and road testing, the company announced.

December 3, 2015

Tire Pressure, Fuel Economy and GHG Regs

Should tire inflation systems be part of the new federal greenhouse gas/fuel economy rules? Trucking’s track record with pressure maintenance says yes. But, uncertainty over the definition of proper inflation raises questions.

November 13, 2015

GHG Phase 2 Rules Don't Pass OEM Muster... Yet

OEM comments on proposed EPA/NHTSA Phase 2 GHG regs show they’re nowhere near ready for prime time. What the agencies say in reply will speak volumes on where the rule is headed.

November 3, 2015

Daimler: Tests Show Integrated Approach Ups Fuel Efficiency

Daimler Trucks found 14% reductions in CO2 emissions and improved fuel economy using a comprehensively optimized truck as part of the company’s Efficiency Run tests.

October 29, 2015

NACFE Shows Downspeeding Good for 2-3% Fuel Savings

A new report delves into the use of downspeeding, which is becoming a popular fuel saving strategy for fleets. The concept makes use of numerically lower rear-axle ratios to lower engine rpm at vehicle cruise speed.

October 27, 2015

Much Work Remains to Get to Final Version of GHG Phase 2 Proposal

The old adage “the devil is in the details” could have been invented for the new “phase 2” greenhouse gas / fuel efficiency regulations proposed by the EPA and the NHTSA.

October 14, 2015

Commentary: Rocket Science Circa 1995

Today's complex engines may be different from in 1995 but the principles of getting better gas mileage haven't changed.

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