Fuel efficiency options: Application informs your specs

Fuel efficiency options: Looking to application to inform your specs

Automated manual transmissions, relates Ryder’s Perry, can play a role in fuel efficiency and provide an added benefit in driver recruiting. “Based on application and duty cycle, axle ratios can be adjusted to maximize engine sweet spots and match horsepower and torque to targeted vehicle speed,” he says.

“We also talk to customers about low rolling resistance tires,” Perry continues, “explaining that fuel savings can offset their higher cost. Beyond that there is technology like telematics systems that allow fleets to monitor vehicles and ensure fuel efficient operation.”

Idle reduction

One controllable fuel efficiency factor is engine idling. The Idle Reduction Solutions Confidence Report by the North American Council for Freight Efficiency (NACFE) says that idling reduction technologies can save more than $5,000 annually per tractor. The report covers 19 types of solutions such as diesel-fired and battery-powered APUs, and notes that manufacturers are working on things like solar power-based systems.

Fleets can also adopt a growing number of integrated idling management systems offered by truck manufacturers, and ensure that idle management parameters are properly set using the programming capabilities of engine electronic control units.

Fuel efficiency doesn’t end with the tractor. Early in 2015, the EPA SmartWay Technology Program instituted performance thresholds for the verification of trailer aerodynamic equipment. Specifically, the agency replaced device-based categories with 1%, 4%, 5% and 9% fuel saving classifications for trailers with verified aerodynamic devices, including side skirts, tails and gap reducers.

The new EPA technology verification testing options are designed to remove variables and provide a better means of evaluating products. Verification of the fuel saving potential of any component or system is an important aspect of any specification decision.

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