Heavy Duty Trucking Logo
MenuMENU
SearchSEARCH

ENow Unveils All-Electric, Solar-Powered Refrigerated Trailer

ENow says its new, solar-powered refrigerated trailer system functions as well as a diesel reefer unit and will reduce operating costs by up to 90% thanks to lower fuel and maintenance costs.

April 30, 2018
2 min to read


eNow's new, solar-based trailer refrigeration unit will displayed at the ACT Conference in Long Beach, CA, through May 3rd. Photo: eNow

ENow, a company that specializes in developing solar energy applications for the trucking industry, has unveiled a new, all-electric, solar-based refrigeration system on a 53-foot tractor-trailer. A demonstration model of the new trailer design is on display at ACT Expo 2018 (Advanced Clean Transportation) in Long Beach, California. According to details provided by the company, its new “reefer trailer” integrates a proprietary, advanced solar technology, battery storage, and patented electronic control system.

ENow last summer tested such a zero-emission transport refrigeration unit on a commercial truck in San Joaquin Valley, California. According to the company, the unit achieved emission reductions of 98% nitrous oxide, 86% carbon dioxide, and 97% particulate matter over a five-month test period, compared to traditional, diesel-powered TRUs.

Ad Loading...

Additional testing showed the eNow TRU functioned as well as a diesel reefer unit, and was projected to reduce operating costs by up to 90% thanks to lower fuel and maintenance costs, according to Tom Ditto, vice president of Challenge Dairy, a fleet that helped eNow evaluate the new system.

“This is a defining moment in clean transportation and a huge technological hurdle,” said Jeff Flath, president & CEO of eNow. “Over the last six years, we have demonstrated that our solar systems are powerful, reliable, and highly cost-effective – providing emissions-free energy for thousands of trucks across the country. With our new 100% electric reefer trailer, the food industry – with its more than 500,000 refrigerated vehicles – can realize the same economic and environmental benefits.”

Related: SAE Publishes Charging RPs for Electric Vehicles

More Fuel Smarts

Video still of Volvo's Duane Tegels explaining the Volvo D13 diesel engine for EPA 2027 emissions
Equipmentby Deborah LockridgeSeptember 16, 2026

How Volvo Updated Its D13 for EPA 2027 [Watch]

Volvo’s updated D13 promises lower emissions without sacrificing performance or fuel economy. Take a closer look at what changed inside the engine in this HDT Spotlight video.

Read More →
Collage of fuel options for trucks - renewable diesel, renewable natural gas, diesel, and electric
Fuel Smartsby StaffSeptember 15, 2026

Diesel Price Spike Shortens Payback for Natural Gas Trucks, Report Says

Energy Vision estimates fleets could recover the higher purchase price of an RNG-fueled Class 8 tractor in 1.3 to 2.8 years under current fuel-price scenarios.

Read More →
Illustration showing the Calstart, Forth, and Catalyst Mobility logos
Fuel Smartsby StaffSeptember 14, 2026

Calstart Becomes Catalyst Mobility, Reflecting Broader Focus

Calstart is now Catalyst Mobility, reflecting the nonprofit’s growing national role in clean transportation, including zero-emission trucks, infrastructure and incentive programs.

Read More →
Ad Loading...
Illustration with oil wells, dollar bills, and a diesel fuel pump
Fuel SmartsSeptember 9, 2026

Record Diesel Prices Squeeze Trucking Fleets

Average U.S. diesel prices have climbed to nearly $6 a gallon, surpassing the 2022 record as tight refinery capacity and Middle East disruptions keep fuel costs elevated.

Read More →
A red engine part
SponsoredSeptember 9, 2026

How Fuel Delivery Shapes Engine Performance

Fuel delivery depends on more than what happens at the injector. For fleet, maintenance and technical professionals, looking at the full path from pump to injector can provide useful context for understanding engine performance.

Read More →
Port of Newark EV truck charging station.
Equipmentby News/Media ReleaseSeptember 8, 2026

East Coast Port Launches $45M Electric Truck Push

The Port Authority of New York and New Jersey announced millions in incentives for zero-emission drayage trucks, yard tractors, and new charging hubs near the port.

Read More →
Ad Loading...
Fuel Smartsby StaffAugust 31, 2026

California Bill Could Shed Light on Electric Truck Prices

Why do battery-electric Class 8 trucks remain so expensive? A California bill headed to Gov. Gavin Newsom would give fleets and state agencies more visibility into what manufacturers charge.

Read More →
Illustration of Freightliner Cascadia on highway with engine cutaway
Equipmentby Deborah LockridgeAugust 27, 2026

Detroit Opens Orders for EPA 2027 Engines

Detroit isn’t starting from scratch to meet EPA 2027 diesel emissions standards. Its Gen 6 DD13 and DD15 engines keep much of today’s platform while updating the fuel and aftertreatment systems.

Read More →
Group of people and zero-emission trucks during ceremony announcing a West Coast ZEV corridor.
Fuel Smartsby News/Media ReleaseAugust 26, 2026

Zero-Emission Truck Corridor Planned for West Coast

California, Oregon, Washington, British Columbia and Baja California are coordinating plans for truck charging and hydrogen fueling from Canada to Mexico.

Read More →
Ad Loading...
YouTube thumbnail showing Kenworth T880e electric truck and KW marketing director Kyle Kimball.
Equipmentby Deborah LockridgeAugust 25, 2026

A Closer Look at Kenworth’s Electric T880E Vocational Truck [Video]

Learn more about Kenworth's T880E battery-electric vocational truck at the Paccar Technical Center, including its range, applications, upfitting considerations, and PTO options, in this HDT Spotlight video.

Read More →