Without penalties for non-compliance, it's highly optimistic to presume we will get anywhere near that level of reduction.
But now, she said, she was highly optimistic about the new venture, noting that Long Island Segway had sold 10 machines over a period of several weeks before the store even opened.
With UK oil production peaking more than a decade ago and a significant decline forecast over the next decade it would be highly optimistic to think this figure could be maintained.
That timetable could be highly optimistic given it will use the same reactor design as a plant being built in Flamanville, France, which is years behind schedule and more than three times over budget.
The BBC Trust said forecasts on which the £132m deal was based were "too aggressive" and its estimated earnings before tax were "highly optimistic".
With the Republican field in New Jersey as wide open as it is this year, the expectation that the candidates will voluntarily hold their fire, even for a limited time, is highly optimistic.
Brussels insiders, particularly trade specialists, think this is highly optimistic.
Mr. Ghadhban's estimate appears now to have been highly optimistic.
Mr. Bush's political advisers said today that they were highly optimistic about his prospects for 2004.
The Australia paceman Ryan Harris hopes to be back in action by the end of October – although he admits he is being highly optimistic.
