Economics of producing microalgal biodiesel need to improve substantially to make it competitive with petrodiesel, but the level of improvement necessary appears to be attainable.

Doctors are subject to a robust system of regulation, and training in report writing and court procedures for those giving expert evidence has improved substantially.

Its underlying earnings improved substantially to 24.8 million for the period, thanks to a rise in assets before the trading investigation.

It has made clear previously that its systems and processes have since been improved substantially.

In the mid-2000s, funding of the space program continued to improve substantially, amounting to 21.59 billion rubles in 2005 and rising to 23 billion rubles in 2006.