Provide incentives to companies in the form of reduced tax, employers contributions or corporation tax when the company reaches a goal, for example of 25% or 50% of employees working from home on a regular basis.
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During the Covid-19 outbreak, many companies have allowed employees to work from home. This has massively reduced congestion and improved air quality. The plans to meet CO2 targets could be helped enormously by this incentive with the reduction in use of fossil fuels powering private and public transport.