In trials on Optare Solos, the new version of Grayson Thermal Systems’ energy saving e-drive cooling system is reducing operators’ fuel bills by 10-15 per cent.
This new five fan variant of the proven e-drive system, which was developed first for Volvo B7′s – is specifically for Solos, and replaces the original cooling system to give operators a high level of control over fan speed and temperature. With Grayson’s system, the fans only need to be operated on full power when conditions demand it.
Business Development Manager, David Hobbs, says: “We are working on a number of projects to integrate our e-drive systems with Euro 5 bus engines, to create buses that are effectively ‘greener’. It’s a cost-effective alternative to introducing new hybrid buses.”
The cooling system features a full diagnostic capability that allows technicians to analyse data and make adjustments to suit the demands of individual routes. This makes it possible to optimise economies across the fleet. Emissions and noise levels are also significantly reduced. The new variant for Optare Solos is available from Grayson now; versions for other vehicles are in development.