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Originally Posted by nfotiu
Thanks. That's a long video, but I'll watch it at some point. The lakes around here are not highway travel, but more like turn every 15 min. I don't think a bass boat behind a truck or SUV is adding much drag. I imagine the weight from all the stop starts is the bigger issue.
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Not as much as you might think. Every stop charges uses regenerative breaking and recharges the battery somewhat so stop and go isn't as draining as higher speeds. Drag is actually almost always a bigger factor in range reduction/fuel economy, even with ICE vehicles. And drag is roughly four fold increase for every doubling of speed, so a 60km/h trip has 1/4 the drag of a 120km/hr trip. Those winding roads may make it so you don't notice near as much of a range loss as a highway tow trip