The document discusses Carbon Trust loans that can help fund energy efficiency projects for businesses. It provides examples of projects at one company that received over £130,000 in Carbon Trust loans to implement initiatives like steam traps, heating/cooling upgrades, and efficient refrigeration units. The loans have an interest-free repayment period of up to four years and can cover projects that achieve savings of 2.5 tons of carbon emissions per £1,000 loan value. The document recommends Carbon Trust loans as a way for eligible businesses to invest in energy efficiency upgrades without large upfront costs.