Amid rising traditional fuel costs, amendments to US tax law, specifically the Omnibus Big and Beautiful Act (OBBA) of 2025, are emerging as a strategic tool for companies seeking to modernize their fleets. Although the Commercial Clean Vehicle Credit (Section 45W) has expired, changes to Section 179 of the Internal Revenue Code provide significant financial opportunities for operators.
Expansion of Tax Deductions
The amended Section 179 allows for an immediate deduction of up to 100% of the cost of qualified equipment, with the deduction cap doubled to $2.5 million, beginning to phase out at capital investments of $4 million. These benefits are not limited to electric trucks but also include charging infrastructure, battery energy storage systems, and specialized equipment, as the Internal Revenue Service does not distinguish between fuel types when classifying depreciable assets.
Leveraging Bonus Depreciation
The Internal Revenue Service issued Guidance 2026-11, which confirms the permanent restoration of 100% bonus depreciation for qualified property acquired after January 19, 2025. This means that companies can combine the Section 179 deduction with bonus depreciation, potentially allowing for the full cost deduction of commercial electric vehicles in the first year of acquisition, provided that legal criteria are met.
What This Means for Companies
The importance of these amendments lies in the fact that they provide a clear financial path for companies to offset the high capital costs associated with heavy-duty electric vehicles, such as the Tesla Semi or electric waste trucks. Since tax laws are complex and involve overlapping federal and local rules, operators are advised to work closely with certified public accountants to ensure compliance and determine the optimal timing for acquisitions under legally binding contracts.
These developments confirm that the transition toward electric fleets depends not only on technical innovation in vehicles but also on the intelligent utilization of financial incentives available in current tax legislation.