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About this book

The aim of this work, consisting of 9 individual, self-contained booklets, is to describe commercial vehicle technology in a way that is clear, concise and illustrative. Compact and easy to understand, it provides an overview of the technology that goes into modern commercial vehicles.

Starting from the customer's fundamental requirements, the characteristics and systems that define the design of the vehicles are presented knowledgeably in a series of articles, each of which can be read and studied on their own.

In this volume, Fuel Consumption and Consumption Optimization, the main focus is placed on the factors for optimizing consumption in the conventional vehicle. Fuel consumption can be optimized by four different factors: the technology of the vehicle, the conditions of its operation, the behavior of the driver and the maintenance and upkeep of the vehicle. These aspects are described in a way that is easily understood for training and practical application.

Table of Contents

Frontmatter

Chapter 1. Fuel Consumption and Consumption Optimization on Conventional Trucks

Abstract
After the cost of the driver, fuel consumption is the most important cost factor in the trucking business. In long-distance haulage, diesel consumption accounts for 30% of the costs calculated over the entire service life of the vehicle. Fig. 1.1 shows the cost breakdown of a European long-distance trucking company.
Michael Hilgers, Wilfried Achenbach

Chapter 2. Vehicle and Energy Loss

Abstract
The diesel engine converts the chemical energy of diesel fuel into mechanical energy. Diesel consists of liquid hydrocarbons. The exact composition of diesel is inhomogeneous. It depends on the original material fed into the diesel production process. The minimum requirements of diesel fuel are defined in the German standard DIN EN 590. Tab. 2.1 shows the density and the calorific value of diesel fuel.
Michael Hilgers, Wilfried Achenbach

Chapter 3. Vehicle Technology

Abstract
As fuel consumption is an important topic for the truck customer, competition between the various vehicle manufacturers ensures that new, more efficient vehicles are constantly being offered. Both the drivetrain and the vehicle are being continually optimized to reduce fuel consumption.
Michael Hilgers, Wilfried Achenbach

Chapter 4. Operating Conditions of the Vehicle

Abstract
This chapter discusses how the operational application of the vehicle considerably affects its fuel consumption.
Michael Hilgers, Wilfried Achenbach

Chapter 5. The Influence of the Driver on Fuel Consumption

Abstract
Even a technically-optimized vehicle will achieve good consumption values only if the driver exhibits fuel-efficent driving behavior.
Michael Hilgers, Wilfried Achenbach

Chapter 6. Maintenance of the Vehicle and Service Fluids

Abstract
Perfect condition and professional maintenance of the vehicle are required for it to be driven with optimal fuel consumption.
Michael Hilgers, Wilfried Achenbach

Chapter 7. Concluding Remarks on the Topic of Fuel Consumption

Abstract
As mentioned at the beginning of this booklet, even small reductions in fuel consumption can bring about great savings. Exact fuel consumption measurements with great precision are therefore required to compare different technical solutions. Air pressure, humidity, wind strength, wind direction, the road condition, the road surface, traffic incidents, the load, the tire type, the tire air pressure, etc. will affect the fuel consumption of a heavy truck with a magnitude in the percentage range.
Michael Hilgers, Wilfried Achenbach

Backmatter

Additional information

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