The cap prevents energy retailers from making excessive profits, but places no restrictions on other parts of the supply chain.
The last decade has seen an upward trend of people turning away from meat and dairy products to reduce their impact on the environment, but as the cost of living crisis starting to bite thousands more people are turning away from meat products to save money.
The UK living wage has been raised 20p to £7.85 across the UK, and from £8.80 to £9.15 per hour in London.
Inflation continues to outpace inflation in the UK, with workers facing the longest squeeze on living standards since the 1870s.
Singapore has been named as the most expensive city to live in and Mumbai the cheapest in the Economist’s Worldwide cost of living 2014 report.