Weather conditions were said to be mild, with light south to south-easterly winds and good visibility with generally clear skies.

BBC: Crash report urges safety checks

While their tone was generally respectful, several Republican senators made clear they were unsatisfied with Clinton's answers.

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Nevertheless, while the focus has been on candidates with political stature who are generally supportive of clean energy, as I wrote earlier this week a clear understanding of the innovation process and an eye towards continuing reforming the DOE should be the primary prerequisites.

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