Global Zero-Emission Vehicle Market Overview
European CO2 rules drive zero-emission truck and bus sales in 2025
The market for zero-emission trucks and buses is expanding rapidly in Europe and China. However, adoption remains concentrated in specific regions and vehicle types. New data from the International Council on Clean Transportation shows Europe's regulatory framework is creating clear commercial momentum, particularly in urban buses and medium-duty trucks.
In 2025, the EU entered its first formal compliance year for heavy-duty vehicle CO2 standards. Manufacturers must now meet fleet-average emissions targets across nearly all truck and bus categories. Consequently, zero-emission vehicle sales are rising sharply in segments where the rules apply most directly.
For UK businesses that operate commercial fleets, export to European markets, or supply the automotive sector, these regulatory shifts create both compliance risks and procurement opportunities. Understanding how the EU's expanded standards work can help you anticipate changes in vehicle availability, customer requirements, and tender specifications.
EU standards now cover trucks, buses, coaches and trailers
The EU introduced its first heavy-duty vehicle CO2 standards in 2019. Those initial rules set a 15% reduction target for many truck categories by 2025, measured against a 2019 baseline. The standards applied mainly to large lorries and a limited range of vehicle types.
In 2024, the European Commission revised and strengthened the framework. The updated regulation keeps the 2025 target but extends coverage to medium lorries, city buses, coaches, and trailers. Furthermore, it introduces much stricter long-term targets: 45% reduction by 2030, 65% by 2035, and 90% by 2040 for most vehicle groups.
The European Commission states that these rules now cover "nearly all HDV emissions" by broadening the scope beyond the original categories. This expansion means manufacturers face compliance obligations across a wider product range, not just their largest trucks.
Importantly, the EU's reporting periods run from July to June. Therefore, 2025 is not just a calendar milestone but an active compliance year for newly registered heavy-duty vehicles. Manufacturers must report fleet-average CO2 emissions based on vehicles sold during this cycle.
Zero-emission buses reach 25% of EU sales
Recent market data shows the regulation is influencing purchasing decisions. In the EU-27, 39,500 buses and coaches were sold in 2025. Of these, 9,800 were zero-emission vehicles, equal to a 25% market share. This compares with 17% the previous year, representing significant year-on-year growth.
Medium trucks and vans show a similar pattern. Sales in the first three quarters of 2025 reached 31,000 units, of which 6,300 were zero-emission. This gives a 20.6% share, up from 9.5% in the same period of 2024. In the third quarter alone, the share reached 23.3%.
These figures suggest that urban bus operators and medium-duty fleet managers are responding to both regulatory pressure and improving vehicle economics. Electric buses are becoming standard in many European cities, while medium trucks are finding applications in last-mile delivery and urban distribution.
For businesses that supply or service these sectors, the shift is creating demand for charging infrastructure, maintenance contracts, and specialist technical knowledge. Additionally, companies tendering for public sector contracts may face requirements to demonstrate zero-emission fleet capabilities.
United States remains at early adoption stage
By contrast, the United States market shows much slower uptake. In 2025, 460,299 medium- and heavy-duty vehicles were registered, but only 2,375 were zero-emission. This represents just 0.52% of the market. In the third quarter of 2025, 116,279 new vehicles were registered, of which 594 were zero-emission, again just 0.51%.
The difference between European and American adoption rates highlights the role of regulation. The US lacks binding federal CO2 standards for heavy-duty vehicles comparable to the EU framework. Some states, notably California, have introduced their own rules, but these do not create uniform national market conditions.
Nevertheless, the low base means modest absolute growth can represent significant percentage increases. Some medium-duty segments, particularly urban delivery vehicles, are seeing commercial adoption driven by operational cost savings rather than regulation.
China scales zero-emission trucks at industrial volume
China presents a third distinct pattern. The country sold 457,000 zero-emission medium- and heavy-duty vehicles in 2025, up 98% year over year. Zero-emission vehicles now represent 25% of China's total MHDV market, matching the EU's bus sector share across all heavy vehicle categories.
Significantly, heavy trucks and tractors accounted for 51% of China's zero-emission MHDV market in 2025, up from 35% in 2024. This suggests zero-emission technology is moving beyond urban transit applications into freight and long-haul operations.
The ICCT describes this as evidence that "zero-emission heavy freight applications are rapidly scaling up." China's industrial-scale adoption reflects government support, domestic manufacturing capacity, and policy measures that favour electric vehicles in commercial fleets.
For UK businesses with Chinese supply chains or manufacturing partnerships, this shift may influence component availability, technology development, and competitive dynamics. Chinese manufacturers are gaining operational experience with zero-emission heavy vehicles that could shape global product offerings.
What UK businesses need to know about the EU rules
Several key facts matter for commercial planning. First, the EU's CO2 standards apply to manufacturers, not fleet operators. However, they influence which vehicles are available and how they are priced. Manufacturers may prioritise zero-emission models to meet fleet-average targets.
Second, the standards use a credit and penalty system. Manufacturers that exceed their targets can bank credits or sell them to others. Those that fall short face fines. This creates financial incentives that flow through to product development and market availability.
Third, the scope now includes vehicle categories that were previously exempt. Medium trucks, which are common in urban logistics and distribution, are now covered. This extends regulatory pressure into segments that UK businesses frequently operate or supply.
Fourth, the long-term targets are much stricter than the 2025 baseline. A 90% reduction by 2040 effectively means near-total electrification for most vehicle categories. This gives businesses a clear planning horizon for fleet replacement and infrastructure investment.
Fifth, the July-to-June reporting cycle means compliance is assessed continuously, not just at calendar year-end. Manufacturers must manage their fleet-average emissions throughout the year, which may affect vehicle availability and lead times.
Compliance costs and procurement implications for SMEs
For UK businesses, these regulatory changes have several practical consequences. If you operate vehicles in Europe or supply European customers, you need to understand how the standards affect your procurement options and timelines.
Fleet operators may see shifts in vehicle availability. Manufacturers might prioritise production of zero-emission models to meet regulatory targets, potentially affecting lead times for diesel equivalents. Therefore, businesses planning fleet renewals should factor in longer procurement cycles and possible supply constraints.
Tender requirements are also changing. Public sector contracts increasingly specify zero-emission or low-emission vehicles, reflecting both regulatory pressure and local air quality goals. If you bid for contracts involving transport or logistics, you may need to demonstrate zero-emission capabilities or credible transition plans.
Supply chain partners may face similar pressures. If your customers are subject to Scope 3 emissions reporting or sustainability criteria, they may ask about the emissions profile of your delivery fleet. This is particularly relevant for businesses supplying retail, food, or construction sectors.
The cost equation is shifting as well. Electric trucks and vans typically have higher upfront costs but lower operating expenses. As volumes increase and technology matures, the total cost of ownership is becoming competitive, especially for high-utilisation urban routes. However, this requires access to charging infrastructure and suitable operational patterns.
For businesses considering zero-emission vehicles, the decision involves more than vehicle purchase. You need to assess depot charging capabilities, driver training, maintenance arrangements, and route planning. Our net-zero program helps businesses evaluate these factors and develop practical transition plans.
How the standards apply to different vehicle types
The EU regulation groups vehicles into categories based on weight and function. Light commercial vans under 3.5 tonnes are covered by separate rules. Medium trucks between 3.5 and 16 tonnes now fall under the heavy-duty standards, as do all buses and coaches.
Heavy lorries above 16 tonnes were included in the original 2019 regulation. The 2024 revision added specific provisions for vocational vehicles such as refuse trucks, concrete mixers, and construction equipment. Trailers are also now included, reflecting their contribution to overall vehicle efficiency.
Different vehicle groups have different baseline emissions and reduction targets. Urban buses, for example, have a more aggressive trajectory than long-haul tractors, reflecting the greater availability of zero-emission technology for city operations. Vocational vehicles have specific provisions recognising their diverse duty cycles.
This segmentation matters because manufacturers will focus development and production on categories with the tightest targets. Consequently, certain vehicle types will see faster zero-emission adoption than others. Fleet managers should align replacement schedules with expected market availability.
Infrastructure and operational readiness considerations
Regulatory targets alone do not guarantee successful adoption. Businesses need supporting infrastructure, particularly charging or refuelling capabilities. For depot-based fleets, overnight charging is often the most practical solution. However, this requires electrical capacity, which may involve grid connection upgrades.
Route planning also changes with zero-emission vehicles. Battery-electric trucks have range limitations, though these are improving. Hydrogen fuel cell vehicles offer longer range but require access to refuelling infrastructure, which remains limited in the UK. Operational planning must account for these constraints.
Driver training is another consideration. Electric vehicles have different handling characteristics, maintenance requirements, and operational procedures. Businesses need to ensure drivers understand how to maximise range, manage charging, and respond to technical issues.
Maintenance arrangements may also shift. Electric drivetrains have fewer moving parts than diesel engines, potentially reducing service intervals. However, battery systems require specialist knowledge, and not all workshops are equipped to handle high-voltage components. Businesses should confirm maintenance support before committing to vehicle purchases.
Policy direction indicates long-term market shift
The EU's regulatory framework provides clear policy direction. The 90% reduction target by 2040 effectively means manufacturers must transition their product ranges to zero-emission technology. This is not a modest efficiency improvement but a fundamental shift in propulsion systems.
Similar regulatory momentum is building in other markets. The UK government has committed to ending sales of new diesel and petrol heavy goods vehicles by 2040, subject to a consultation. California's Advanced Clean Trucks rule requires manufacturers to sell increasing percentages of zero-emission vehicles from 2024 onwards.
These policies create long-term market signals that influence manufacturer investment, technology development, and supply chain formation. Consequently, businesses can plan on the assumption that zero-emission vehicles will become the standard product offering in most categories over the next 15 years.
For UK SMEs, this suggests the transition is not a question of whether but when. Early consideration allows businesses to align fleet replacement cycles, infrastructure investment, and operational changes with their specific needs. Delaying planning may result in reactive decisions under tighter timelines.
Where to find authoritative guidance and support
The European Commission publishes detailed information about the heavy-duty CO2 standards on its climate action pages. This includes the legal text, compliance mechanisms, and reporting requirements.
The Council of the European Union provides updates on legislative developments and implementation timelines. These sources are useful for understanding how the rules apply to different vehicle categories.
The International Council on Clean Transportation publishes regular market monitoring reports covering Europe, the United States, and China. These provide detailed sales data and market analysis for zero-emission medium- and heavy-duty vehicles.
For businesses assessing practical implications, SBS offers compliance support and carbon reporting services that help you understand regulatory requirements and develop appropriate responses. We work with SMEs to evaluate fleet transition options, infrastructure needs, and procurement strategies.
The UK government's Department for Transport also provides guidance on domestic policy developments and funding schemes that may support zero-emission commercial vehicle adoption.