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Thread: DPF's the end of diesel cars in cities?

  1. #141
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    DPF's the end of diesel cars in cities?

    Quote Originally Posted by DazzaTD5 View Post
    *Yay to charging your EV from the electricity grid powered by a gas or coal fired power station.
    While not ideal this comment comes up all the time from electric car naysayers. In reality even the dirtiest coal fired station will produce around half the emissions of a car for the same trip. Let’s assume a trip of 450 to 500Km. In round numbers let’s say 50 litres of petrol - this will produce around 155Kg of CO2 whereas an equivalent car battery - around 85KWh will produce around 81Kg of CO2 from a brown coal station, 45kg from a black coal station and about 32Kg from a natural gas station.

    So, even if everyone got an electric car tomorrow and charged it from our current power stations, total emissions in Australia would drop by around 4%.

    (Figures from sunearthtools.com)
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.

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    Quote Originally Posted by Homestar View Post
    Heard of a fuse? DPF's the end of diesel cars in cities?In reality circuit breakers for dead shorts and highly sophisticated current limiting devices.

    Much safer than stuffing 60 to 100 litres of highly flammable liquid in a vehicle but we are all fine with that.

    Even in an accident it’s easy to disconnect all power to a vehicle instantly and you don’t have the fuel issues or heat from an engine you have to contend with now.
    That's all well and good with a new electric vehicle But what about when they start to get old and they start to get maintained by their owners/backyarders using aftermarket, secondhand or even homemade parts The same way that older petrol/diesel cars are now.
    If you have a petrol or even diesel leak you can smell and see it, That isn't the case with electricity.
    Then there is the upward effect on household electricity bills, If the government starts loosing revenue on fuel excise you can bet your left nut that they will make it up on electricity charges to make up for the shortfall.
    Just food for thought.
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    Quote Originally Posted by trout1105 View Post
    That's all well and good with a new electric vehicle But what about when they start to get old and they start to get maintained by their owners/backyarders using aftermarket, secondhand or even homemade parts The same way that older petrol/diesel cars are now.
    If you have a petrol or even diesel leak you can smell and see it, That isn't the case with electricity.
    Then there is the upward effect on household electricity bills, If the government starts loosing revenue on fuel excise you can bet your left nut that they will make it up on electricity charges to make up for the shortfall.
    Just food for thought.
    I don’t see what the age of the vehicle has to do with the CO2 numbers from different energy production methods sorry?

    How does electricity leak? That’s called a load and is controlled by one device or another.

    Of course the’ll end up getting their money from somewhere but my comments were around dropping emissions.
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    Quote Originally Posted by trout1105 View Post
    Then there is the upward effect on household electricity bills, If the government starts loosing revenue on fuel excise you can bet your left nut that they will make it up on electricity charges to make up for the shortfall.
    Just food for thought.
    Hi,
    Perhaps in the future, the vehicle WiFi and gps logs will work together and transfer the appropriate $ from your account to the government's.
    All sorts of improvements are possible if we ditch the present system, where we rent 12 month permission to drive on the road, regardless of location, time of day, and distance covered.
    Multi vehicle owners should not be subsidising single vehicle owners for a start.
    Cheers

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    Quote Originally Posted by austastar View Post
    Hi,
    Perhaps in the future, the vehicle WiFi and gps logs will work together and transfer the appropriate $ from your account to the government's.
    All sorts of improvements are possible if we ditch the present system, where we rent 12 month permission to drive on the road, regardless of location, time of day, and distance covered.
    Multi vehicle owners should not be subsidising single vehicle owners for a start.
    Cheers
    We are already paying for the distance we travel via the fuel excise So the more you travel the more the government takes from you, No need for WiFi or GPS logs to do that.
    The largest cost on vehicle registration is for third party insurance so by owning more than one vehicle the extra costs are mainly for having third party insurance on them, Not as a subsidy for single vehicle owners.
    So the registration fees are Not necessarily only a permission to drive on the roads They are also a certification that the vehicle is insured against injuring anyone else in case of an accident.
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    Tombie Guest
    Reminds me of this...

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    Quote Originally Posted by trog View Post
    Why not option for a trailer hitch. Then build a portable Genset , petrol or diesel powered , add a lead and off you go ��
    EV's are not able to tow much at the moment, and also I think "GoingBush"'s post in the Alternate Energies section said the charging circuit has to be disabled when the car is moving.

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    Quote Originally Posted by RANDLOVER View Post
    EV's are not able to tow much at the moment,
    Neither do most small cars on the market. Teslas can tow all right. You just plan the trips differently.

    Towing a caravan with a Tesla Model X | Bensmann.no

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    Quote Originally Posted by trout1105 View Post
    <snip>
    If you have a petrol or even diesel leak you can smell and see it, That isn't the case with electricity.
    I beg to differ , when Electricity leaks there is a lot of smoke & usually an acrid burning smell .

    Interestingly, with my EV conversion, I did not have to seal all the bung holes in my firewall & seal my floor like you would for an internal combustion engine when going for a (vicroads) VASS engineering inspection , As there is no possibility of poisoning by a leaky exhaust system . But you can bet your bottom dollar if I ever smell or see smoke coming in through those holes I'll be banging on that big red emergency stop button !!

    Electric cars (at least DIY ones in Australia) have to have a leakage detection circuit , much like a house safety switch, if there is more than 20mA leakage between the traction circuit and chassis you will get alarms & possible shutdown . My BMS is showing 100% isolation which is remarkable , maybe in Winter with the dew & condensation I'll be showing 90% which is still under the 20mA threshold. A Household RCD / ELCB is usually around 10mA .

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    Quote Originally Posted by bee utey View Post
    Neither do most small cars on the market. Teslas can tow all right. You just plan the trips differently.

    Towing a caravan with a Tesla Model X | Bensmann.no

    I Towed a tandem trailer full of rubbish to the local tip with my Electric LandRover, no strain at all, taking off from rest & Used 3rd gear all the way. Apart from the rattle I would not have known it was there.

    The way the ESC / Throttle pot is programmed even if you have your foot flat to the floor no extra power is fed to the motor until its ready to use it. So acceleration with a load was pretty much identical to empty . A very strange sensation. Of course the throttle response curve can be reprogrammed but I'ts very intuitive and I like it a lot out of the box.

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