Improving the efficiency of commercial vehicles

The commercial vehicle industry is becoming increasingly complex, and the issues of efficiency and fuel economy recognised as the biggest concerns facing the sector today. In general fuel equates to a substantial proportionof a fleet’s total operating costs so being fuel efficient makes good business sense. We have developed4 easy ways which will help to optimise the performance and fuel economy of your trucks.

Go easy on the brakes and plan ahead

Braking wastes energy, converting it into unnecessary heat. It’s a known fact that harsh braking uses more fuel, so make sure you anticipate potential hazards and take preventive measures early, to reduce the amount of times and level of pressure you apply to the brakes.

Monitor tyre pressure and condition

Low pressure in the tyres can increase rolling resistance and waste fuel. Tyres at the optimal pressure and with good grip are critical to operate safely and improve the fuel economy of your truck. Bottom line is you'll use less fuel if you keep your vehicle tuned and running like it should, and that includes monitoring your tyres.

Change up and improve fuel economy

Research has shown that with every upwards gear change, you improve your fuel economy. So keeping in as high a gear as possible and skipping gears when practical makes economic sense. Smart clutch use also means the avoidance of needless revving, which only increases fuel use and causes additional engine wear.

Invest in fully synthetic lubricants

Using high performance lubricants can actually help to optimise the performance of the commercial vehicles and improve fuel economy. For example, independent fuel economy tests were conducted at Millbrook, a leading international vehicle test and development facility in the UK, where using a synthetic product throughout the driveline showed a fuel economy gain of 2.9 per cent*. The lubricants you use in the transmission and rear axle can also make a big difference.

Mobilube 1 SHC™ 75W-90 for example, is a fully synthetic, supreme performance commercial gear lubricant, suitable for total driveline application. Formulated using advanced base oils and additive system, Mobilube 1 SHC 75W-90 has been proven to deliver outstanding protection alongside fuel economy potential when used in combination with Mobil Delvac 1 LE 5W-30.


*A fuel economy evaluation was conducted using two Iveco Eurocargo 75E16 EEV Euro V trucks, loaded to 50% payload (circa 6.2 tonnes). Testing was conducted on track at the Millbrook Proving Ground, Ltd. in the United Kingdom. Mobil Delvac 1 LE 5W-30 was used in the engine, Mobilube 1 SHC 75W-90 was used in the rear axle and transmission as candidate oils. These were compared to a mineral 15W-40 in the engine, a mineral 85W-140 in the rear axle, and a mineral 80W-90 in the transmission as reference oils. Statistically significant fuel economy benefits were observed when comparing the synthetic products to the mineral products, up to 2.9% fuel economy saving for simulated highway driving conditions. Corrections were applied when changes in test environment had a statistically significant impact on fuel economy. Fuel economy will be dependent on a variety of factors including vehicle type, engine type, engine condition, driving style/conditions, lubricant(s) previously used and your current fluid viscosities in addition to the performance of a specific Mobil Delvac lubricant.

Always remember to check product selection against OEM specification requirements and service intervals appropriate to your application.

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