By ATN Editorial Team
Author: Jon M Quigley
The transition from internal combustion engines (ICE) to electric propulsion is transforming more than vehicle architecture; it is changing the economics of manufacturing. Traditional ICE programs required enormous investments in engine foundries, machining centers, transmission production, emissions laboratories, and specialized tooling, limiting new entrants to companies with significant capital resources. Electric vehicles eliminate many of these barriers, making reshoring and regional manufacturing practical for specialty vehicle manufacturers.
Without the need to develop and manufacture engines and transmissions, specialty OEMs can redirect investment toward systems integration, battery management technology, embedded software, verification, and flexible manufacturing. Rather than competing through production scale, they can compete through engineering and manufacturing agility and responsiveness.
Why Regional Production Becomes More Plausible
Reshoring also strengthens regional supplier ecosystems, bringing back manufacturing capability. Components such as wire harnesses, battery enclosures, fabricated structures, electronics, and thermal systems can be sourced closer to engineering and final assembly. Shorter supply chains reduce transportation costs, improve supplier collaboration, accelerate engineering changes, and shorten product development cycles while lowering exposure to geopolitical disruptions, tariffs, and logistics delays.
Regional manufacturing benefits from access to engineering talent, universities, research organizations, and manufacturing innovation centers. These partnerships provide expertise in electrification, automation, battery technology, embedded software, cybersecurity, and advanced manufacturing, allowing smaller manufacturers to leverage world-class capabilities without developing every competency internally.
Organizations such as SAE International and the Automotive Industry Action Group (AIAG) further reduce development risk by providing mature engineering and manufacturing frameworks. SAE standards support electrification, testing, verification, validation, charging systems, and systems integration, while AIAG offers proven methodologies for supplier qualification, APQP, PPAP, FMEA, SPC, MSA, and Control Plans. Together, they provide a common language that improves supplier collaboration and accelerates product development.
Artificial intelligence amplifies these advantages by supporting requirements development, supplier evaluation, design trade studies, cost estimation, risk assessment, documentation, manufacturing planning, and quality analysis. AI enables engineers to identify supply chain risks earlier, evaluate alternatives, automate routine engineering tasks, and make faster, better-informed decisions throughout the product lifecycle.
Batteries Change the Cost Model, Not the Need for Expertise
The strongest counterargument to the local-manufacturing thesis is also the most obvious one: batteries are expensive. SAE reported that batteries represent roughly 35% to 50% of battery-electric vehicle cost, depending on capacity and format, which means the most expensive subsystem is commonly purchased rather than manufactured by the specialty OEM.
That reality does not eliminate opportunity, but it sharply defines where value can still be created. If cells or packs are sourced externally, the specialty OEM must differentiate through battery-pack integration, thermal management, software calibration, packaging efficiency, charging behavior, safety strategy, and vehicle-level usability. In other words, buying the battery does not reduce the need for engineering competence; it simply relocates the engineering challenge.
This is where many simplistic EV-entry narratives break down. A purchased battery pack is not a drop-in equivalent to a purchased engine because the surrounding system architecture determines durability, reliability, charging performance, thermal behavior, diagnostics, and customer experience. The supplier provides hardware, but the OEM still owns the vehicle outcome.
Integration Becomes the New Core Capability
For specialty EV manufacturers, the central technical competency is no longer combustion development. It is systems integration. The disruptions in the automotive industry have made highly competent, experienced engineers from OEMs with vehicle system development and integration expertise available across regions.
This also explains why low-volume manufacturing can still be technically demanding. Even without engine casting or exhaust aftertreatment development, the vehicle must still function as an integrated product across temperature extremes, duty cycles, charging conditions, electrical faults, and customer misuse scenarios. The absence of engine tooling does not remove the obligation to prove performance.
Testing Still Determines Credibility
The propulsion architecture may be cleaner, but vehicle credibility still depends on disciplined verification and validation.
The testing mix also changes. Less effort may be devoted to combustion calibration and emissions development, but more emphasis is placed on integration testing, software verification, battery behavior, and subsystem interaction. For engineering-led organizations, that often means stronger use of model-based development, hardware-in-the-loop, software-in-the-loop, and disciplined design reviews before physical build volume increases.
Where Local Manufacturing Can Actually Win
Local manufacturing is most compelling when customers value responsiveness, configuration flexibility, and domain-specific functionality over maximum production scale. That makes specialty fleets, municipal platforms, utility vehicles, last-mile delivery products, niche recreational vehicles, and industrial service applications more attractive than direct competition with global passenger-car leaders.
The Constraints Are Real
None of this removes the structural disadvantages facing smaller manufacturers. Batteries remain a large externally sourced cost element; supplier relationships can be fragile, and low volumes leave little room for quality escapes or launch instability.
Capital discipline remains another limit. Even when engine and transmission tooling are absent, the organization still must fund prototypes, fixtures, controls development, verification, safety validation, production readiness, supplier quality work, and after-sales support. Regional manufacturing improves feasibility, but it does not convert an undercapitalized concept into a robust vehicle business.
Electric vehicles do reduce some of the historic barriers to vehicle manufacturing. They remove major combustion-era capital burdens and make lower-volume production more imaginable. But the companies most likely to benefit are not the ones that mistake EV simplicity for easy entry; they are the ones that recognize that the engine block has disappeared and that systems integration has become the new proving ground.
Reshoring is therefore more than relocating production; it is a strategic manufacturing model. By eliminating costly engine tooling, building resilient regional supply networks, leveraging SAE and AIAG best practices, and applying AI across product development and manufacturing, specialty EV manufacturers can compete through engineering excellence, supply chain resilience, and rapid innovation rather than manufacturing scale.
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