A switch to lighter glass wine bottles is set to save around 6,000 tonnes of glass packaging annually, according to the Waste and Resources Action Programme (WRAP). Supermarkets Morrisons and Tesco plus wine brand owners Constellation Europe and PLB Wines plan to introduce lighter weight designs. WRAP said the move will affect almost 90million wine bottles resulting in combined annual carbon savings of 4,500 tonnes. This is the equivalent of taking 2,500 cars off the road. Constellation Europe will introduce lighter glass bottles for its Stowells and Echo Falls wines, saving 2,800 tonnes of glass every year. Packaging development manager Mike Bullock said: The new bottles are significantly lighter than the originals, but are not radically different in shape and can be used on our filling lines without any major modifications. WRAP has been promoting the use of lighter weight glass bottles under its GlassRite Wine project for bulk wine importation into the UK.