Eco construction on the M8

Image of an eco hybrid welfare unit
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A new environmentally driven approach to construction and maintenance on Scotland’s M8 has cut the project’s carbon footprint by more than 7,000 kg.  

Identifying innovative solutions to drive down emissions and reduce waste was a top priority for Amey, supporting our client’s net zero ambitions as well as our own.  

Battery powered alternatives replaced fossil fuel powered tools and generators while solar-powered lighting was used on site along with biofuels for site machinery.  

In addition, we trialled 12 eco-welfare hybrid fuelled units that use both diesel and battery technology at the M8’s Woodside Viaduct. This hybrid solution cut energy needed from the generator and so reduced fossil fuel use and associated emissions. 


  • New eco measures reduced the project’s carbon footprint by 7,351kg of CO2e 
  • Swapped 77% of power tools to fossil fuel-free alternatives 
  • Each eco welfare unit delivered a fuel saving of 1,443 litres and 3.7 tonnes of CO2 

The project also delivered significant costs savings with eco-welfare units costing just £1.96 a day compared to fuel costs of £10.50 with a standard diesel generator, a reduction of 81%.  


Amey now always use eco welfare units as our first choice wherever new site conditions allow. 

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