The FIA have agreed today that they have effectively scrapped the idea of introducing four cylinder, turbo charged engines from 2013.
The intention now is that from 2014, the engines will be reduced to V6 designs from the current V8's. They will still be 1.6L turbos as previously planned.
The change has arisen since three of the four current engine providers (all bar Renault) were against the plans, and many involved in the sport were concerned that it may dampen the excitement.
The guidelines are expected to be officially signed off in a meeting of the WMSC shortly.
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