Electric Fleets in 2026: Diesel at $6, Credits Gone
By Sustainability Awakening • Dr. Ahmad Mahmood
The fuel shock
Diesel just hit $6.28
$6.28
US average per gallon, week of 19 Oct 2026, up $2.66 in a year.
Source: EIA
Energy per mile
Electrons cost far less
Box truck on diesel$0.70/mi
Same truck on power$0.16/mi
At $0.14/kWh1.15 kWh/mi
Source: EIA; our modeler
Maintenance
No oil, fewer brakes
Class 8 diesel$0.215/mi
Battery-electric~$0.13/mi
Saving~40%
Source: ATRI 2026; estimate
Delivery vans
The easy win
1.6 yr
Payback for e-vans: the price gap with gas vans has nearly closed.
Source: our modeler, 25,000 mi/yr
Box trucks
Mileage decides
25,000 mi a year9.2-yr payback
50,000 mi a year4.6-yr payback
Source: our modeler, Class 4–6
Tax credits
45W and 30C are gone
45W ended for vehicles acquired after 30 Sep 2025; 30C for chargers after 30 Jun 2026.
Source: IRS
Depot charging
Match charger to shift
Vans19 kW AC overnight
Box trucks50 kW DC
Semis150–350 kW DC
Battery ageing
Plan on 80% range
Packs lose about 1.5–2.5% a year, so size routes for end of life, not day one.
Scope 1
65% net carbon cut
25 box trucks: −709 t Scope 1, +251 t Scope 2 on the US grid. Due in SB 253 reports.
Source: EPA; eGRID 2023