Page 41 - Green Builder Nov-Dec 2021 Issue
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COURTESY OF FORD MOTOR CO.  BUT CAN THEY TOW?           Electric motors have tremendous torque and


                                                                        power, but their range depends on the details.




                       HAT’S KNOWN ABOUT ELECTRIC   kind of hitch in their EV work trucks. Ford, in   tread wear and other factors affect towing
                       VEHICLE (EV) TRUCKS is that they   particular, has a sophisticated monitoring   range. One can imagine a scenario, for example,
                 Whave enough power to tow substantial   system that estimates the tow load and its   where a builder wants to know if an EV truck
                 loads. What’s not known is exactly how real-world   impact on range. The F-150 Lightning will have a   can safely haul a maxxed out load of lumber
                 variables will affect their towing range. Past   10,000-pound towing capacity. That’s enough   up a 6-mile highway incline on Route 84 in
                 studies of EVs have found that their range with a   to haul a mid-sized ditch digger to the jobsite, or   Pennsylvania. Fortunately, the availability of
                 trailer in tow can drop significantly. For example, a   haul a load of construction and demolition (C&D)   charging stations nationwide keeps rising (see
                 field test of a Tesla Model 3 towing a 750-pound   waste to the landfill. Meanwhile, the Rivian R1T   “charging station” caption/sidebar). That means
                 trailer noted an efficiency drop of 40 percent.  claims an 11,000-pound towing capacity.   that even with heavy loads, you may be able to
                  It’s obvious that these truck makers know   As EV trucks hit the road, we’ll see a wealth   jump from one charge station to the next to
                 towing matters. Most have included some   of new data about how inclines, trailer shape,   keep batteries topped off.




                                                                                            CHARGING
                                                                                            STATIONS.


                                                                                            Public EV charging stations have
                                                                                            proliferated in the U.S., making
                                                                                            cross-country travel with battery
                                                                                            power much more viable. Many more
                                                                                            are on the way. For example,
                                                                                            GM has announced that it will
                                                                                            install 40,000 new Ultium charging
                                                                                            stations across the U.S. and Canada
                                                                                            by 2025, helping fill gaps in so-
                                                                                            called “charging deserts,” where
                                                                                            charging stations are lacking.
                                                                                            SOURCE: U.S. DEPARTMENT OF ENERGY




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