The best halogen heaters should combine the cheap running costs they're renowned for with excellent heating capability. Our tests of indoor halogen heaters reveal their running costs and heating ...

Institute of Process Research and Development, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K.

Along with styrene, Lanxess notes that it draws on other sustainable substitutes for fossil raw materials in its production. For example, it uses biocircular acrylonitrile to make another type of ion ...