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08-05-2019, 02:24 PM #71
You are not factoring in the considerable energy cost to accelerate that much weight from a stop. The efficiency is much lower during that high load period. I unfortunately live in an area with considerable traffic and would be facing a lot of stop and go traffic for hours before I hit truly open freeway driving. That would be extremely costly in electricity, also you cannot fully utilize the regenerative braking in that scenario as you will not have adequate stopping distance/time to NOT use the traditional brakes and lose energy to friction as heat at the brakes.
2019 GMC Sierra 3500HD Denali Diesel DRW (Crew Cab | 8 Ft bed | OEM Puck System | Curt Gooseneck Ball for OEM Puck | Timbrens on rear axle)
2019 Grand Design Solitude S-Class 3740BH-R Fifth Wheel (Onan 5500W LP Generator | MORryde CRE3000 and HD Shackles/Wet Bolts | 3x MORryde Cross Members | 8k Axles and Disc Brakes | Sailun S637 ST | Reese GooseBox 20k 2nd Gen | Splendide Stackable Washer and Dryer)
Full Suite of Victron Energy Products (2x 5k 24v Quattro Inverter/Charger | 2x 25.6/200 LFP Smart LiFePO4 Batteries | 2880w of Solar Panels across 4x MPPTs | Cerbo GX)
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08-05-2019, 08:50 PM #72
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Wait 'til we all show up at the ol' campground, plug in our 50a rigs, fire up the a/c's and then throw the switch on the truck charger. Can you say EMS alert?
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08-07-2019, 09:22 AM #73
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It is difficult to explain Regenerative Braking to anybody who has not experienced it. But, I will try...
In your heavy traffic scenario, regenerative braking would actually be quite beneficial. Think of regenerative braking as driving your rig in first gear all the time, with no need to shift into a higher gear. When you accelerate, you simply press your foot down and when you need to slow down or stop, you simply lift your foot and the energy you used to get yourself started is "regenerated" and put back into the battery for your next acceleration. Depending on the "strength" of the regenerative braking on your truck, you would almost never need to use the brake pedal to stop your rig in traffic. Consequently, with an electric truck, you will use much less energy in stop and go traffic than you would with your Gas/Diesel pickup truck because, you can recapture most of the energy and the electric motor is not "idling" while you are stopped.
So, with regenerative braking, you could have more "Highway" miles left (in your battery) than you would in your Gas/Diesel truck once you break free of all that stop and go traffic.
Regenerative braking is like magic for your fuel economy (electrons) and efficiency.Last edited by SolarPoweredRV; 08-07-2019 at 09:26 AM.
David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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08-07-2019, 09:32 AM #74
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Fortunately, that scenario can be avoided with the software built into the Electric Vehicles. Both charging time (overnight charging) and current draw can be adjusted to prevent any catastrophic events inside the campground. Additionally, devices can easily be built that will sense the amount of energy being used by the coach that will allow the EV to only charge when the energy is not being used by the coach which would have priority.
David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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08-07-2019, 10:48 AM #75
After all the operational issues noted about EVs are solved, how will the tax on motor fuel used for building and maintains infrastructure be replaced? Is the annual registration of an EV truck going to be a couple of thousand dollars?
Judy & Larry
Ty and Ali the St Bernard drool machines
Delta, British Columbia, GWN
2019 Imagine 2150RB - lovingly christened “IM-A-GENE” towed by Dusty via Andersen 3350.
2018 F150 SCREW 3.5 EcoBoost Lariat - respectfully christened “Dusty”.
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08-07-2019, 11:16 AM #76
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Electric vehicles are much more efficient in stop and go traffic than at highway speeds. My Nissan Leaf will do 4.6 kWh/mile in local stop and go and 3.8 miles/kWh at 65 mph. When I select “B” mode which maximizes regenerative braking I only use the brake pedal after the car slows to about 5 mph. Before that the electric engine is used as a generator as the car slows and regenerates or converts the kinetic energy back to replace some of the energy used to accelerate.
Jerry & Linda
Emma & Abby our Mini Golden Doodles & JR our Amazon Parrot
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08-07-2019, 11:23 AM #77
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17 states already impose additional fees on EV owners. https://www.greentechmedia.com/artic...cles#gs.utxbnw
Jerry & Linda
Emma & Abby our Mini Golden Doodles & JR our Amazon Parrot
2017 Reflection 337RLS, Build Date 01/2017, Titan Disk Brakes, Goodyear G614s 235/85/16 G Rated tires
2022 F-450 King Ranch Ultimate, 4,868 lb Payload, Bedrug Bedliner, Andersen Ultimate II Aluminum 5th wheel hitch
http://visitedstatesmap.com/image/FLGANCSCsm.jpg
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08-07-2019, 11:57 AM #78Judy & Larry
Ty and Ali the St Bernard drool machines
Delta, British Columbia, GWN
2019 Imagine 2150RB - lovingly christened “IM-A-GENE” towed by Dusty via Andersen 3350.
2018 F150 SCREW 3.5 EcoBoost Lariat - respectfully christened “Dusty”.
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08-07-2019, 04:00 PM #79
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This is an issue that is starting to garner some interest.
The national average for State and Federal tax on Gasoline is ~ $0.55 cents per gallon and ~ $0.62 cents for Diesel.
Based on average annual miles driven of 13,500 miles and ~ average miles per gallon of 24mpg you would pay a little over $300 per year in Gasoline taxes and about $50 more for Diesel taxes.
Some States are trying to address this with annual registration fees for EVs, while some States are trying to stop EV sales with an exorbitant Registration fee of $1,000 or more.
Personally, I think the EV fees should be tied to miles driven in a year and the taxes should work out to be about what we would currently pay for Gas/Diesel taxes.
As cars are getting more and more fuel efficient, we are paying less and less fuel taxes and that is not sustainable going forward.
We do need a mechanism to pay for road usage and we need to ensure that it is fair and equitable for everyone.David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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08-07-2019, 05:09 PM #80
@SolarPoweredRV vehicles are getting more efficient, that could be offset by raising the gas tax for infrastructure. Not sure how you get accurate mileage or even power usage for that matter. You could put a KWH meter on the home charging station, assuming nonhome chargers have infrastructure added to power cost, but then some would bypass the charging port and use a slower 120V outlet.
I like the idea of miles driven, maybe EVs need the same technology in our smart electric meters.Judy & Larry
Ty and Ali the St Bernard drool machines
Delta, British Columbia, GWN
2019 Imagine 2150RB - lovingly christened “IM-A-GENE” towed by Dusty via Andersen 3350.
2018 F150 SCREW 3.5 EcoBoost Lariat - respectfully christened “Dusty”.
Channging Battery Type?
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