Scania has begun practical tests of a rear air deflector known as a boat-tail, which can reduce fuel consumption by up to 2 percent, which corresponds to an annual saving of 1,200 litres of fuel and 3 tonnes of CO2 emissions for a truck running 200,000 km a year.
The boat-tail is mounted on a normal three-axle semitrailer for European long-haulage. The length of the vehicle combination increases by 30 cm, which is equivalent to the extra length permitted for a taillift or other loading equipment according to the European Union’s Directive 97/27 EC.
“The tests are limited to Sweden and Denmark while we await final word on how road and traffic authorities in the Netherlands and …