George Cowcher from Derbyshire and Nottinghamshire Chamber of Commerce says companies are not investing in Nottingham because of the charge.
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An investigation is underway after farmer Tom Rawson discovered the dead livestock at the site in Houghton on the Hill, near Leicester.
National Express West Midlands is offering passengers a free day of bus travel to celebrate Clean Air Day.
Bright start, then cloudy with patchy rain. Less humid overnight.