On the Road

Fuel Economy

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Tire rolling resistance: It's real

If low-rolling-resistance tires make this much of a difference in this clever little demonstration, how much of a difference does it make with 18 wheels on the ground? Photo by Jim Park.

June 6, 2012

I love it when someone comes up with a simple way of illustrating a point. Rolling resistance in tires is real and it's a problem for trucks. But how do you quantify it? Percentages are vague. This little test is not vague at all.

Tags: Fuel Economy

Author: Jim Park | Posted @ Wednesday, June 6, 2012 8:16 PM | » Comments(0)

The 1.6 mpg epiphany

May 31, 2012

Here's a tale that, if it were from any other industry, might inspire a feel-good feature film. It's about a struggling rookie lease-operator who, as he is driving back to the terminal to hand back the keys, decides to try something different.

Tags: Fuel Economy

Author: Jim Park | Posted @ Thursday, May 31, 2012 11:56 PM | » Comments(0)

A Revolutionary Development in Powertrain Technology

Volvo's XE13 powertrain makes it possible to stay in top gear longer, which saves fuel and improves drivability.

September 21, 2011

Humped torque curves were the norm in North American heavy-duty on-road diesel engine power maps for decades. Today's torque curves are much flatter, but the height and width of the torque curve remain limited. Volvo Trucks has broken that mold in dramatic fashion with its new XE13 powertrain option

Tags: Fuel Economy

Author: Jim Park | Posted @ Wednesday, September 21, 2011 9:21 PM | » Comments(1)

Save the Planet, Save Money Too

On-board climate control may become a necessity if 5-minute idle timers take hold. Photo by Jim Park

August 18, 2011

Hard-wired five-minute idle timers will probably begin appearing on trucks in 2014. You'll have two choices come winter: freeze your hiney off, or get an APU. This week we provide a list of idle-cost calculators so you can start budgeting for the new EPA rules

Tags: Fuel Economy

Author: Jim Park | Posted @ Thursday, August 18, 2011 10:08 PM | » Comments(0)

17 easy steps to 9.5 mpg

Henry Albert takes his fuel economy and his business very seriously -- but he's willing to share some of his secrets to success.

August 1, 2011

Owner-operator Henry Albert was at the Shell SuperRigs event in Kenly, N.C. in June, but he wasn't showing his truck in the conventional sense. He was walking anyone who was interested around his truck pointing out fuel-saving strategies he uses to achieve an average of 9 mpg

Tags: Fuel Economy

Author: Jim Park | Posted @ Monday, August 1, 2011 5:31 AM | » Comments(5)

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