Print 55 comment(s) - last by EricMartello.. on May 15 at 1:55 AM

First time eDrive and xDrive tech has been combined in one vehicle

BMW has unveiled the Concept X5 eDrive, which will be showcased at the New York International Auto Show. Although the vehicle is labeled as a concept, it’s a dead ringer for the production plug-in hybrid version of BMW’s popular crossover that it plans to bring to market sometime within the next year or two.
The hybrid drive system gets its primary motivation from a 245hp turbocharged 4-cylinder engine. That gas engine is combined with a 95hp/184 lb-ft electric motor developed by the BMW Group. Power for the electric motor comes from a lithium-ion battery pack (which is mounted under the cargo area) that can charge from any wall outlet.
The Concept X5 eDrive can drive on electricity alone for up to 20 miles at speeds up to 75 mph. BMW says that the car will have an average fuel consumption of over 74.3 mpg in the EU testing cycle (which means we’ll likely see less than half of that quoted figure under EPA guidelines). BMW says that the X5 concept can reach 62mph in under 7-seconds.

The Concept X5 eDrive is the first from BMW that uses its xDrive all-wheel-drive system paired with eDrive hybrid technology.
The concept also has a ConnectedDrive system that helps plan routes and lists the location of charging stations on the GPS map. This allows the driver to find a charging station when they are around town in electric mode.

Source: BMW

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RE: Tesla!
By EricMartello on 5/10/2014 12:04:16 AM , Rating: 1
I just find efficiency of generation secondary to anything that has real world effects.

Good for you, but you are still wrong. The fact that electricity must be generated means that using it as the power source for commuter vehicles is just a bad least until we have something like cold fusion along with high energy density batteries.

So efficiency should really only be considered within a single fuel type unless you apply some sort of compensating factor.

You have to exclude the inconvenient fact that electricity generation is inherently inefficient and causes more pollution in order for your "green" political agenda about electric cars seem "plausible".

The bottom line is that it's still a lot better overall to stick with refined petroleum - aka gasoline.

BTW, the 5 kW/h figure to refine a gallon of gasoline from petroleum also includes a by-product known as diesel. When you consider that for every gallon of gasoline, a portion of that becomes diesel fuel without any additional effort, it further enhances the end-to-end efficiency of gasoline and diesel as a choice fuel for vehicles.

By the way you did bring up energy independence in your side bar. Electric car = 100% US sourced energy, ICE age car = 30% US sourced energy, 70% imported energy. +1 for the EV

Falsorama. Fuels are sold as commodities on a global market. The refiners who operate in the Gulf of Mexico do not sell directly to the US, they sell to the highest bidder.

The differences in fuel prices by country are largely due to the taxes that are levied on the fuel by the respective governments, as well as any tariffs that may be imposed. For example, low-grade "industrial" diesel is taxed at a substantially lower rate than vehicle-grade diesel in europe, and so it costs less per gallon. That's why the liberal dystopia that we call europe pays out the a55 for fuel while Americans enjoy relatively low and stable prices.

The idea that we're 'on the verge of running out' of fossil fuels is a baseless claim with no supporting evidence. That said, I do agree that we should find renewable fuel sources - but not at the behest of a government mandate and not according to what some eco-zealots believe.

Like I said where I live 70% hydroelectric generation. No fuel consumed there just falling water. Most of this generating capacity was built prior to environmentalism becoming fashionable. No green agenda involved. No tax breaks for EV's here either.

Guess what, that's irrelevant because your particular situation does not represent the average worldwide situation for electric energy generation. Hydroelectric power is great when you have the proper natural features to construct such a plant, but as a percentage of all electricity generated, hydro power is not that much.

Most electricity is generated by burning a fuel, and the average efficiency is in the low 40% range as previously stated.

Oh WOW, just WOW. So education and the educated are the enemy. I guess that means ignorance is an asset.

You need to stop referring to being blindly indoctrinated, relieved of independent thought, as being "educated". Your ignorance stems from your misguided belief that education somehow replaces the need to think and form your own ideas, even if said ideas run contrary to the consensus.

Abusive name calling and personal attacks add nothing to the debate and really only serves to depreciate your cause.

I'm not a liberal and therefore I have no "cause". My interest is ensuring that the information provided about a given topic is accurate and objective. As I said before, if electric cars were better than their gasoline counterparts I would gladly state that in support of them - but they are not, and I've clearly explained why.

People usually resort to this behavior because they have lost the rational argument and are basically trying to create an emotional fist fight where they try to wound with words rather than admitting defeat.

The readers can decide for themselves who defeated my count every one of your claims and points of contention has been thoroughly debunked.

When you start calling me a dim-witted buffoon for occupying a position I haven’t well that shot misses the mark by a mile. While I can admire a never say die atitude I do read these outbursts as victory.

You are dim-witted for attempting to shift the topic from the "real" energy efficiency of electric cars to some economic nonsense after I pointed out how inefficient electric cars are due to electrical power generation and its limitations...that was you raising the flag of defeat, followed by me gloating.

RE: Tesla!
By snhoj on 5/11/2014 8:34:18 PM , Rating: 2
You have to exclude the inconvenient fact that electricity generation is inherently inefficient

Efficiency is not an end in itself but a means to another end. Its good EV’s are efficient because their batteries can be smaller and because they use electricity that someone has to pay for but that is where it stops at the plug.

Thank you for playing.

RE: Tesla!
By EricMartello on 5/15/2014 1:00:41 AM , Rating: 2
Efficiency is not an end in itself but a means to another end. Its good EV’s are efficient because their batteries can be smaller and because they use electricity that someone has to pay for but that is where it stops at the plug.

The entire push behind EVs - including tax subsidies and CAFE standards that place unrealistic fuel efficiency burdens on automakers - are billed as being "more efficient and better for the economy".

I showed you why EVs are actually LESS efficient, and made you look quite stupid in the process. Oh, and I appreciate the irony in the way that the CAFE standards put forth by the EPA, which were meant to be "unattainable", resulted in automakers producing super-efficient gasoline cars that solidify the terrible idea that EVs are with our current method of electricity generation.

Thank you for playing.

Oh, the game ended several posts ago when you got PWNED by facts and were left with nothing but a complete topic shift (which failed).

Your continued attempts to save face just aren't working out for you...because you are on the wrong side of this argument and politics.

"Nowadays you can buy a CPU cheaper than the CPU fan." -- Unnamed AMD executive

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