Richard Simpson

Features

A steer on trailer axle maintenance

How a simple process can maintain component life on self-steering trailer axles. By Richard Simpson

Axles
Features

Silent revolution: hydrogen ramps up in bus fleets

Richard Simpson examines the implications of switching from diesel to hydrogen fuel cell drivelines for the fleet engineer, using as an example a new bus fleet

Alternative Fuels
Features

Fire in the hole

Buses are operating in the UK while fitted with a system that has been branded as a potential fire hazard. But how real is the danger? Richard Simpson asks questions

Emissions Control
Features

Point and squirt

Novel, and mostly unproven, drivelines are making headlines, but development of diesel engines continues to meet a variety of environmental, legislative, and economic considerations. Fuel injection is...

Engine/Transmission Management
Features

Automated vs automatic manual transmissions

With automated manual gearboxes dominating the heavy truck market, is there room for innovation lower down the weight scale? Richard Simpson investigates

Engine/Transmission Management
Features

The future of hybrid engines

Internal combustion has a key role to play in the transition to zero carbon, argues Richard Simpson

Alternative Fuels
Features

Oil's changing

New standards for engine lubricants are on the way to help operators meet the challenge of transition to ‘carbon-free’ road transport, writes Richard Simpson

Lubricants & Systems
Features

E-axles for refrigerated trailers

A combination of mains power and kinetic energy recovered from trailer axles could power fridges in the future. Richard Simpson explains how

Alternative Fuels
Features

DPF filter tips

As engines wear, they produce more of the contaminants that can choke particulate filters. Richard Simpson looks for solutions

Exhaust systems, Filters & Catalysts
Features

The future of trailer refrigeration after the red diesel rebate expires

There’s a quiet revolution in temperature-controlled transport, whispers Richard Simpson

Temperature Controlled Vehicles
Features

Trailer side skirts

They look stylish, and are claimed to return fuel savings of up to 7% at highway speeds, so why do relatively few semi-trailers in the UK boast aerodynamic sideskirts, asks Richard Simpson

Bodies & Bodywork
Features

Clutches and transmissions: quantum shifters

Electronic technology is improving fuel economy in heavy-duty automatic transmissions, finds Richard Simpson

Engine/Transmission Management