Environmental Transport Systems is a site created to describe how existing technologies and concepts can be combined to generate cost effective, sustainable and practical transport solutions. The site is non-commercial, and is not affiliated to any group or ideology. It uses using verifiable and reputable data sources and quantitative analysis whenever possible to arrive at evidence based conclusions and solutions. It is written by an professional Engineer Stephen Latham MSc MIMechE CEng who has worked for 23 years in both the private and public sector as an Environmental Transport Consultant and Researcher. If there are any questions, please contact me using the feedback page.