This week

• A study published by waste and resources body Wrap has provided evidence that foamed concrete mixes using recycled and secondary aggregates offer comparable characteristics and levels of performance to those using primary material.

• The Carbon Trust is launching the Energy Efficiency Loans scheme. The initiative offers small and medium-sized firms interest-free loans to replace or upgrade existing equipment with more energy efficient versions.

• HVCA Publications and CIBSE have published the Solar Heating Design and Installation Guide, a 162-page manual providing information to help with the specification, design and installation of domestic and commercial solar heating systems. For more information go to www.hvca.org.uk/publications.

• Construction site equipment supplier GenQuip has secured a deal to distribute the Uridan range of waterless urinals in the UK.

• Ashley Bateson has become a partner at Hoare Lea Consulting Engineers. He joined the firm in 2004 to set up its sustainability group.

• British Gypsum has updated its pocket guide to improving energy efficiency to include the latest changes to section six of the regulations for Scotland. For more information go to www.british-gypsum.com

• Construction site equipment supplier GenQuip has secured a deal to distribute the Uridan range of waterless urinals in the UK.

• The FETA Energy Reduction Group has launched its energy efficient technology model, which aims to demonstrate the long-term cost benefits of installing low-energy solutions.