A technical booklet published by Caltex titled 'Relation of Fuels and Lubricants to Operating Efficiency in the Diesel Engine'. This publication provides detailed technical information on how fuel and lubricant selection affects the performance and efficiency of diesel engines. A period piece of industrial and automotive technical literature, of interest to collectors of vintage oil company publications and diesel engine enthusiasts.
- Publisher: Caltex
- Subject: Diesel engine fuels and lubricants
- Type: Technical/industrial booklet
- Suitable for: Vintage automotive literature collectors and diesel engine historians