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Hybrid Power for Mobile Systems
Published in Yatish T. Shah, Hybrid Power, 2021
In 2003, GM introduced a hybrid diesel-electric military (light) truck, equipped with a diesel electric and a fuel cell auxiliary power unit. Hybrid electric light trucks were introduced in 2004 by Mercedes Benz (Sprinter) and Micro-Vett SPA (Daily Bimodale). In mid-2005 Isuzu introduced the Elf Diesel Hybrid Truck in the Japanese Market. Other produced heavy vehicles are: Big mining machines like the Liebherr T 282B dump truck or Keaton Vandersteen LeTourneau L-2350 wheel loader are powered that way. Also there were several models of BelAZ (7530 and 7560 series) in USSR (now in Belarus) since the mid-1970s.NASA's huge Crawler-Transporters are diesel-electric.Mitsubishi Fuso Canter Eco Hybrid is a diesel-electric commercial truck.Azure Dynamics Balance Hybrid Electric is a gasoline-hybrid electric-medium-duty truck based on the Ford E-450 chassis.Hino Motors (a Toyota subsidiary) has the world's first production of hybrid electric truck in Australia (110 kW or 150 hp diesel engine plus a 23 kW or 31 hp electric motor).
Public acceptance of electric roadways: The case of Los Angeles, California
Published in International Journal of Sustainable Transportation, 2023
Theodora Konstantinou, Christos Gkartzonikas, Konstantina Gkritza
This paper focuses on the dynamic wireless EV charging technology, which is suitable for all vehicle types and less vulnerable to damage since the charging system is embedded in the road. The main parts of a wireless power transfer system are (Covic & Boys, 2013): the power supply (which connects the system to the electric grid to receive power), the charging facility or power track (that converts electricity from the grid into a controlled magnetic field to transmit energy to the vehicle), the pick-up unit or coil under the vehicle (that receives the power from the power track), and the embedded coils in the roadway (primary coils that generate the magnetic field and are connected to the power supply). The embedded coils can be powered individually and energized only when an equipped EV passes on top of each coil (Choi et al., 2015). The distance between the pick-up unit under the vehicle and the roadway surface, known as air gap, is one of the most critical elements during planning that can affect charging efficiency. Examples of charging efficiency may come from case studies and tests that have shown capabilities to dynamically charge a light-duty EV at up to 20–40 kW at highway speeds with around 80% charging efficiency (FABRIC, 2015, 2017) and a hybrid electric truck or bus at 180 kW, with more than 90% energy power transfer efficiency (IPT Technology, n.d.).
Exploring public charging infrastructure requirements for short-haul electric trucks
Published in International Journal of Sustainable Transportation, 2022
Jake Whitehead, Jessica Whitehead, Michael Kane, Zuduo Zheng
There are two main categories of electric trucks:Battery Electric Truck (BET): electric motor/s powered by electrical energy stored in a rechargeable battery, which is charged via regenerative braking and external electricity.Plug-In Hybrid Electric Truck (PHET): similar to a hybrid truck, however, they have a larger battery that can be recharged using external electricity, in addition to regenerative braking.