EU legislators are preparing to endorse a new regulatory category known as the VEEF, or Vehicle Exclusively running on Eligible Fuels. Under this proposal, standard combustion-engine cars promised to run solely on liquid biofuels or e-fuels would be granted a legal tailpipe emission score of zero. Critics describe this initiative as a desperate tactic driven by pressure from the fossil fuel lobby and legacy automakers to extend the lifespan of obsolete technology under the guise of technological neutrality.

The proposal faces significant scrutiny regarding its environmental claims. While labeled as zero-emission, these vehicles would still produce toxic nitrogen oxides, carbon monoxide, and fine particulates through combustion. Furthermore, the climate benefits are questionable; current biofuel blends offer only a 20% to 40% reduction in emissions compared to fossil fuels. When accounting for indirect land-use changes associated with first-generation crop biofuels, such vehicles could actually emit 23% more greenhouse gases than standard petrol cars.

Economic and logistical hurdles also threaten the viability of this scheme. Running a vehicle on hydrotreated vegetable oil (HVO) biodiesel costs approximately €13 per 100 kilometers, nearly double the cost of operating an equivalent electric vehicle at roughly €7. Additionally, Europe's supply of advanced petrol biofuels is strictly limited to powering about one million cars. With sales skewing heavily toward petrol while advanced biofuel production favors diesel, the arithmetic suggests that selling one million VEEFs would immediately deplete available supplies, leaving millions of drivers without fuel.

To enforce fuel exclusivity and prevent drivers from using cheaper fossil petrol, manufacturers would be required to install complex onboard systems. These include fuel sensors, tamper-proof hardware, and engine-throttling software capable of stranding a vehicle if the wrong liquid is detected. Fuel pumps would also need cryptographic digital handshakes with the car's chassis number, potentially necessitating two separate continent-wide pump networks for pre-2033 crop fuels and post-2033 advanced fuels.

Industry observers suggest that the fuel-combustion lobby may be pivoting toward a "mass balancing" approach. Under this strategy, manufacturers could sell "virtual" clean cars using standard blended biofuel mixes rather than pure biofuels, allowing them to continue selling dirty combustion engines while reducing electric vehicle sales. This development comes as over €200 billion has already been committed to Europe's electric vehicle and battery supply chain based on a clear regulatory path to zero emissions by 2035. Critics argue the VEEF loophole serves as a regulatory Trojan horse that fails to address climate targets or air pollution while undermining the continent's industrial transition.

Sources: CleanTechnica.