The party estimates savings of £100-a-year on average for every household under the scheme.
Related stories
From 'dog fruit' to darling: India's avocado boom
‘Capitalism is dying’: in Luton, these former car workers have a moral tale for our times | Aditya Chakrabortty
How will bond market turbulence affect UK consumer finances?
China lashes back at US over G20 row ahead of Xi-Trump summit
The university degree is losing its lustre
UK-EU alignment is ‘problem’ for US trade deal, says top Trump official