200-hp-flexifuel-engine-for-the-volvo-models

TopSpeed

By TPS Staff

Published Jul 25, 2007

Starting first half of 2008 Volvo will offer a five-cylinder 2.5-litre turbocharged Flexifuel engine with a power output of 200 hp for the V70 and S80. This means that a total of five models: C30, S40, V50, V70 and S80 - will be available with one or two Flexifuel engines.

By the end of 2007 both V70 and S80 will be available with a four-cylinder naturally aspirated engine. The 2.0F has been modified for E85 and produces 145 hp and 185 Nm of torque.

The flexifuel S40, V50 and C30 will be powered by a four-cylinder 1.8-litre naturally aspirated engine, the 1.8F, which produces 125 hp and 165 Nm of torque.

Modification for E85 includes:

Fuel hoses, valves and gaskets have been adapted to handle ethanol's more corrosive properties.
The injection valves have been reinforced and designed for E85 as more fuel is injected into the engine - necessary since the energy content of E85 is lower than that of petrol.
In addition, the on-board software is calibrated for E85. The engine management system automatically senses the current blend of fuel in the tank and optimises the combustion process accordingly.

Competitive fuel consumption

Fuel consumption (EU combined) when running on E85 is 10.3 l/100 km (C30 1.8F), 10.4 l/100 km (S40 1.8F and V50 1.8F), 11.6 l/100 km (V70 2.0F, preliminary figure) and 11.3 l/100 km (S80 2.0F, preliminary figure).

Bioethanol is an entirely renewable fuel that can be made from most biomass sources such as corn, wheat, sugar-beet and cellulose. When running on E85 (85 percent bioethanol, 15 percent petrol) carbon dioxide emissions from the bioethanol are regarded as part of nature's own carbon cycle.