That's because we've passed the tipping point. Sent from my iPhone
> On Nov 22, 2017, at 4:49 AM, brucedp5 via EV <ev@lists.evdl.org> wrote: > > > > % In the past, this type of item was only ice focused. I found it notable > (of the changing-times) that electrified vehicles were included. % > > https://www.torquenews.com/1083/3-reasons-your-fuel-economy-drops-colder-weather > 5 Reasons Your Fuel Economy And EV Range Drop In Colder Weather > Nov 14 2017 John Goreham > > [image > https://www.torquenews.com/sites/default/files/styles/news/public/images/garage_winter.jpg > Low temperatures mean lower MPG and range > ] > > As winter approaches your MPG may decline. Here's why and what you can do > about it. > > "Winter is coming." We all know the mantra, but aside from the Game of > Thrones implications, there are real-world declines in fuel economy > associated with cold temperatures. Here is a quick list of the main reasons > why many drivers see a drop in miles per gallon as the temperature does. > > Your Tires Are Underinflated > Your car's tires will see a decline in pressure as the temperature drops. In > the real world, you will see a decline of about 1 psi per 10 degrees F of > temperature drop. The air isn't leaking out, it is simply following the laws > of physics. PV=nRT is the formula any engineering student learns. And no, > using nitrogen instead of air (which is about 80% nitrogen anyway) won't do > a darn thing about it for two reasons. First of all, everything you read > about nitrogen for tires is baloney and a scientist named Boyle figured out > that all gases expand (or contract) at the same rate [ > https://www.grc.nasa.gov/www/k-12/airplane/boyle.html > ] back before the internet. Add pressure to your tires when they are at > their coldest. The proper inflation pressure is on the door jam on the > driver's side. By the way, this increased rolling resistance and reduction > in efficiency strikes electric vehicles just as hard as internal combustion > engine (ICE) powered cars. > > > [ot] The Fuel You Use Changes > Your gasoline is not the same fluid in winter as it is in winter. If you > live where the temperature drops seasonally, your fuel suppliers will change > the composition of the fuel they supply. They do this for drivability and > also emissions reasons. There's not much you can do about this one. The EPA > says that winter grades have less energy per unit volume than summer blends > [ > http://newsroom.aaa.com/2013/06/what-is-the-difference-between-summer-and-winter-blend-gasoline/ > ]. > > > Your Charging System Is Working Harder In Winter > Batteries are not fond of cold weather. They require more energy to stay > charged and that means your alternator is going to work harder and use more > fuel. Hybrids and electric vehicles also see the effects of temperature on > batteries. > > Cold Air Has More Resistance > Highway driving is impacted by colder temperatures. Colder air is denser and > offers more aerodynamic resistance. This affects electric vehicles as much > as ICE vehicles. > > Your Heating System Uses Energy > This reason for a decline in fuel economy is only relative to mild > temperatures. Using the heating fan, defrosters, and heated seats make your > car work a bit harder consuming more fuel. Not as much as running the AC > does, but more so than in spring and fall temperatures. Electric vehicles > are impacted more than ICE cars in this regard. Bundle up to save energy ... > [© torquenews.com] > > > > https://www.google.com/search?q=winter+is+coming+game+of+thrones+quote > "Winter Is Coming" is the motto of House Stark, one of the Great Houses of > Westeros. The meaning behind these words is one of warning and constant > vigilance. The Starks, being the lords of the North, strive to always be > prepared for the coming of winter, which hits their lands the hardest ... > > > > > For EVLN EV-newswire posts use: > http://evdl.org/archive/ > > > {brucedp.neocities.org} > > -- > Sent from: http://electric-vehicle-discussion-list.413529.n4.nabble.com/ > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
