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Terex HyPower PTO Hybrid System receives ARB approval

Terex Utilities has received approval from the California Air Resources Board (ARB) for the Terex HyPower Hybrid System, a plug-in Power Take-Off (PTO) system that uses stored energy from the system’s rechargeable batteries to power the non-propulsion functions of the vehicle.

This approval enables the HyPower system, which can be used on any heavy-duty, diesel-powered vehicle with a gross vehicle weight rating over 10,000 lb, to meet the requirements set forth in title 13, California Code of Regulations section 2485. With this approval, Terex may label its HyPower products with “ARB Approval #11-643-002.”

The Terex HyPower hybrid system is a different approach to the Plug-In Electric Hybrid Vehicle (PHEV), says Dennis Depazza, Terex director of business development & product management. It is focused on the work that the vehicle performs on the job site rather than moving the vehicle from location to location.

Terex HyPower system. Click to enlarge.

The Terex system is designed to reduce, or even eliminate, the use of fuel for the work done while the vehicle is sitting still. By using plug-in electric hybrid technology to operate the boom and accessories, the Terex HyPower system reduces a whole range of pollution produced from diesel fuel and eliminates the noise from an idling engine normally used to run the hydraulic system.

The HyPower system offers an average of 1,500 gallons in fuel savings and 13.37 metric tons of CO2 reductions per truck per year.

—Dennis Depazza

The HyPower system recharges from the electrical grid using a standard 110V—15 AMP outlet. The system is simple enough to be retrofitted onto existing vehicles, as well as durable enough to outlive its first vehicle and be used on another.

ARB approval opens many doors for Terex Utilities customers. Often, government subsidy money is available to make capital investments such as updating a utility fleet’s technology, but to be eligible to receive these grants the technology may require ARB approval. Now that the Terex HyPower system has an ARB approval label, Terex can better help its customers reap the benefits of these government subsidies.

—Dennis Depazza



A smart way to save fuel and reduce pollution.


With diesel costing roughly $4/gallon at the moment, 1500 gal/yr translates to about $6000/yr in reduced fuel cost. A $20,000 retrofit would have a 30%/yr payback, which is far more than most investments a company can make (esp. a utility company).


With liquid fuel price going up and batteries price going down, the 30%/yr payback could very well reach 40% and even 50% within 5+ years.

A National retrofit program could be very effective to reduce crude oil imports and pollution at an accelerated rate. The cost could be close to zero with an appropriate bonus-malus program.

Henry Gibson

Swedish buses that pull under split bus bars to recharge their batteries to avoid using their diesel enngines are a good example of the future of most-of-the-time electric vehicles. ..HG..

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