Cold Weather + Green Fuel = Yellow Bus Failure

UPDATE: Lab tests show the problem was may be caused by paraffin wax – a derivative of Diesel Fuel. See this report: http://nbb.grassroots.com/resources/BloomingtonBusReport.pdf This bus design does not allow for heating of the filter by the engine. h/t to Kum Dullison UPDATE2: There is new information, from E.M. Smith in comments, citing that possibility of …

It's official: La Niña is back

UPDATE: There’s some question about NCEP’s communications intent with this paper. While they cite “La Niña conditions” in the language, and the visual imagery lends itself to that, the numerical threshold of ONI hasn’t been reached, as has been pointed out in comments. Yet NCEP made no mention in the summary that the threshold had…