The Anaerobic Digestion and Biogas Association, the industry trade body, calculates that this could be doubled, and a tenth of the UK's domestic gas needs could be supplied by biogas, given the UK's resources in waste and agricultural products.
Kutsuplus lets riders specify their own desired pick-up points and destinations via smartphone; these requests are aggregated, and the app calculates an optimal route that most closely satisfies all of them.
In the report the ERS calculates that, had the election been conducted under a proportional single transferable vote system, Ukip would have won 54 seats, the Lib Dems 26 instead of 8, and the Greens three instead of one.
The IFS calculates that just 3% of secondary and 10% of primary schools will see real-terms increases of 5% or more by 2014.
Related: I start the day with anti-depressants and end wishing I didn't work in NHS payroll Investment in this workforce also makes economic sense, according to Skills for Health, which calculates that changing the skill mix and increasing and developing the support workforce by 1% has the potential to save £100m a year.
No 10 calculates the public will respond to hostile noises from teaching unions by giving reform a fair hearing.
Or that Simon Duffy at the Centre for Welfare Reform calculates that people with disabilities have been hit nine times harder than the rest of the population by austerity; those with severe disabilities 19 times harder.
Jowell's team calculates that the London repayments on the Olympic Games will require just £25m before completion, meaning the Olympic precept worth £61m will be available entirely for Sure Start from 2017-18.
Enter £10, for example, and it calculates that your money will pay for three solar lamps, which will be accessed by 19 people, save those families £389, give the children 3,738 extra hours of study time, and avert 1.6 tonnes of CO2 emissions.
Jane Tranter, the LA-based BBC Worldwide programming executive and one of the executive producers of the new series of Torchwood, calculates that more than 70 UK comedies or dramas have been reformatted for the US market in the last five years, of which she says only one, NBC's adaptation of The Office, was recommissioned.
The Bureau of Labor Statistics calculates that there are 3.5m fast-food and counter workers in the US, and they earn a median hourly wage of $8.83 – almost $18,400 per year based on a 40-hour work week without vacation.
