A semi-trailer fitted with an electric-motor axle and a battery pack becomes an auxiliary drive source for the tractor; the e-trailer concept forms the trailer leg of heavy-vehicle electrification.

April 17, 2026

Electric Axle (e-Axle) Technology: Recovering Energy from Trailers

The electric axle, which writes energy lost as heat under braking back to the battery, turns trailers from a passive load into a component that harvests energy.

February 4, 2026

Electric Alternatives to Diesel Cooling in Refrigerated Trailers

The reefer unit's own diesel engine is the main source of noise and local emissions; battery- and e-axle-supported electric cooling is changing that picture.

November 24, 2025

Solar Panels on a Trailer Roof: What Do They Produce, What Is Enough For?

The large flat area on a trailer roof is a natural surface for flexible photovoltaic panels; but expectations need to be set correctly: it is a support source, not a drive source.

September 13, 2025

Trailer Design Compatible with Electric Tractors: What to Watch For

A trailer coupled to an electric tractor no longer just carries load; it becomes a direct partner in range, efficiency and charging planning.

July 3, 2025

Balancing Weight and Range in Battery-Supported Trailers

A bigger battery means longer electric support; but every additional cell steals from payload. Correct sizing is the balance between these two extremes.

April 22, 2025

Charging Infrastructure and Depot Planning: A Guide to Transitioning to an Electric Fleet

Ordering electric vehicles is the easy part; the real transformation happens at the depot. Grid capacity, charging plans and yard layout are the real determinants of the transition.

February 9, 2025

Hydrogen in Freight Transport: What Will Change on the Trailer Side?

Fuel-cell tractors promise to overcome the limits of batteries over long distances; for trailer manufacturers, hydrogen means both a customer and a cargo.

November 29, 2024

Zero-Emission Zones Are Spreading Across European Cities: How Should Fleets Prepare?

Low- and zero-emission zones in European cities are gradually expanding; for fleets delivering into city centres, the question is no longer whether to enter, but how.

September 18, 2024

The Electric Trailer Market on the Road to 2030: Expectations and Realities

Electric trailer technology is moving from the trade-show floor to the field; but the pace of market maturity will be set not by technology, but by standards, infrastructure and total-cost-of-ownership arithmetic.