The amount of CO2 prevented from entering the atmosphere is calculated by applying DEFRA's suggested greenhouse gas (GHG) conversion factors to the number of miles logged as work related cycle journeys (not recreational journeys). This works as follows:
The travel survey information collected from each participant allows us to allocate the correct conversion factor based on past travel behaviour i.e. whether it was by a large petrol car, bus, tram, etc.
The result is that given a necessary amount of assumptions, we have applied a robust method for calculating CO2 emissions saved.
To see DEFRA's GHG conversion factors please click here.
There are a number of varying factors which can affect how much effort you exert when cycling, and hence the amount of calories burnt. Such variables include body mass index, terrain, wind speed and relative direction. Following the research conducted by Dr. Edward Coyle of University of Texas, Austin, we have opted to calculate calories burnt based upon the factor of average cycling speed. This is assumed to be 12mph and equates to 28.5 calories per mile.
The calculation for money saved is based upon cycling as an alternative to commuting by a petrol driven car and equates to approximately 41 pence per mile.
Several years ago the UK Government developed its green travel plan. Amongst measures to increase cycling as a commuter option were a number of tax and VAT benefits for employees. It's a win-win scenario as both employees and employers gain from this strategy. For more information about the scheme and how to set one up click here.
The Cycle to Work Guarantee is a voluntary initiative from the Department for Transport, challenging businesses to become cycle friendly employers by making it easy for staff to cycle to and from work.
By signing up, your business can signal its commitment by providing the facilities and incentives to help your workforce become healthier, greener and more productive.