Biofuels in the 2050 calculator

I've been playing about with DECC's 2050 calculator and I wondered if BH readers (if any of you are still popping by) to take a look at something.

I'm interested in how it handles bioenergy. Here's how the relevant help screen describes the process.

In 2007, the UK used 4000 km² of land to grow energy crops, which is less than 2% of the country. For comparison, 174 000 km² of land was used for arable crops, livestock, and fallow land. The 2050 Calculator contains two options relating to agricultural biomass and land use: land use management (described here) and livestock management (described on another page).

In his book, Mackay uses a value of 244,000 km² for the area of the UK, so "less than 2%" is correct.

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