[Calvin Locke]

Geez. I remember the articles about them, airlines, cutting back on the fresh air to save $75. Maybe it was $75/hour.

Naturally, health care costs for crew and passengers went up from the longer exposure to used, bacteria-laden air.

[sionnsar]

Geez. I remember the articles about them, airlines, cutting back on the fresh air to save $75. Maybe it was $75/hour.

Which is why there is now a proposed standard, ASHRAE 161P, for aircraft cabin ventilation.