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Cow Power by the Numbers

Cow Power by the Numbers

Cow power, also known as dairy renewable natural gas, is natural gas produced from the manure from feedlots and dairy farms.

August 29, 2019

Natural Gas Is Still the King of Alternative Fuels
Why Some Fleets Still Like Natural Gas
Commentary: We Need to Look Past Fossil Fuels
Alternative Fuels: There’s More Than One Path to Sustainability and Savings
Natural Gas Technology Improvements Changing Attitudes
Natural Gas Fuel Loses Some of its Luster, But Not Going Away
2014 Truck Fleet Innovators: Transforming Trucking

2014 Truck Fleet Innovators: Transforming Trucking

Each year, Heavy Duty Trucking honors a handful of the country’s most forward-thinking fleet executives with the title of “HDT Truck Fleet Innovator.” Read how this year's winners are using the power of collaboration to spec the best trucks and operate more efficiently -- and profitably.

March 12, 2014

HDT's Top 50 Green Fleets

HDT's Top 50 Green Fleets

Green strategies vary greatly depending on the operation. For one company, natural gas might make sense. For another, green might mean solar-powered warehouses. For others, it’s all about fuel-efficient specs and driver training.

November 11, 2013

Diesel/Natural Gas Conversions Offers Owners a Choice

Diesel/Natural Gas Conversions Offers Owners a Choice

A dual-fuel conversion system can offer some of the fuel- and emissions-saving benefits of a natural gas engine without going out and buying a brand-new truck. Read more in this story from the September issue of HDT.

October 2, 2013

Test Drive: Natural Gas Freightliner Cascadia 113

Test Drive: Natural Gas Freightliner Cascadia 113

Freightliner’s Cascadia 113 and the ISX12 G from Cummins Westport aren’t exactly strangers. About 100 of the trucks have been in customer hands for some months now. Equipment Editor Jim Park takes one for a spin.

October 1, 2013

But Which Fuel?

But Which Fuel?

Natural gas. Biodiesel. Algae-based diesel. Hydrogen fuel cells. Dimethyl-ether. Hybrids. There's a virtual smorgasbord of potential fuel sources or supplements for truck and engine makers to choose from. The critical question becomes which one, or which combinations of fuel sources, represent the best path forward.

August 27, 2013

Volvo Thinks the Fuel of the Future is DME – and It’s Almost Here

Volvo Thinks the Fuel of the Future is DME – and It’s Almost Here

Think “alternative fuel” and what comes to mind – natural gas, or maybe propane? Volvo Trucks North America believes it has one better: dimethyl ether, or DME, which it thinks is the real fuel of the future. Volvo, with the help of a small chemical company, financial investors and officials in the state of California, intends to get it to market as a motor fuel by 2015.

June 7, 2013

Seattle Mayor Challenges City Fleets to Cut Use of Petroleum-Based Fuels

Seattle Mayor Challenges City Fleets to Cut Use of Petroleum-Based Fuels

Seattle Mayor Mike McGinn has directed city departments to build on earlier "green fleet" efforts to cut the city's annual use of petroleum-based fuels by 1 million gallons by 2020, using electric and alternative fueled vehicles, biodiesel and more efficient use of vehicles.

May 9, 2013

Do-it-Yourself CNG

Do-it-Yourself CNG

From a frozen pizza company to neighborhood ice cream delivery, from a dry cleaner to a real estate business, these small fleets have been running natural gas-powered vehicles for years

January 2, 2013

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