Not only can you use this strategy for protecting yourself against rising gasoline prices, you can use a similar strategy in protecting yourself against rising heating oil prices and other commodities as well. (treesfullofmoney.com)
Or if you have a volt meter then measure the fan connection for this high speed circuit looking for it to turn on and off with rising heat. (mechanics.stackexchange.com)
If local temperatures rise beyond 1 to 3 °C, crop yields are likely to decline as rising heat affects water availability and plant development. (climatecommunication.org)