alternative fuel buses (bid to save our Earth)
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post pics or discuss on alternative fuel buses.
in recent news SBStransit pledge to "reduce emmisions " = " reduce carbon footprint". with global warming and all that stuffs, i guess this is a good direction to take and to save our Earth we live in.
there are many alternative fuel source buses out there now. some have even earned a EURO 5 (EURO V) classification.
it is decreed by London Law that all public buses must be EURO V or better when registered after 2009. -
1st there is CNG,Then Hybrid Diesel/Battery,Then NGV,Fuel cell latest i heard is Air
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the article i posted below talks about Scanias new new generation of Ethanol fuel bus
http://www.scania.com/news/press_releases/2007/q3/n07061en.asp
as u can see, these are the buses that have achieved EURO V rating.
if u search more on the net with regards to this bus, a typcial exmaple would be the
Scania K270UB ethanol -electric hyrbid fuel bbus
it uses a rather innovative type of transmission i have never heard of till just now.
its called a Electric transmission gearbox. i am no engineer but i think this type of gearbox is fitted specially for electric fuel driven bus. the Ethanol bus from (what i gather) converts the ethanol into electricty and becomes a normal electric bus.
the transmission drive is called Voith ELVO developed by voith.
ZYX -
HYDROGEN buses
Hydrogen fuel buses have been around for a long time. i first heard of this type of alternative fuel bus when i as in sec sch in 1996. Thats when Ballard announces they've built some sort of hydrogren bus using fuel tank to hold hydorgen.
Essentially after some 11 years upon hearing about this type of bus, the thing still works the same. Hydrogren is compressed with high pressure and in low temp such that it is in gas form. the fuel combusts in a solid tank (very solid - even if explosion occur tank wun be blown to bits) basically combust means u mix it with oxygen gas. so the whole thing go ka boom (controlled ka boom) and the exhuast is..
for chemsitry students no prizes for guessing
WATER
one engineer even dared to drink he water coming out of the exhaust pipe. pure madness. i wonder if he got a stomac ache after that.
one prominent website which comes to attention is
the HYFleet CUTE bus project whcih was laucnhed some yars ago in some 19 countries.
basic idea, to save the earth, run very clean emmssion hydrogren fuel bus. everyone happy. we happy. lols
[/url]http://www.global-hydrogen-bus-platform.com/Home
after a few clicks aroun as i explore the website i come upon
http://www.global-hydrogen-bus-platform.com/Technology/Buses
here u can see what type of buses moels is involved.
ZYX -
then comes the story of Hybrid bus.
a bus type that runs on Electricty and also... diesel. hence the name hybrid
drivers can switch to very quiet electricity ( very low emissions) when going thru a town and then switch over to loud and "emission many" diesel.
In Hokkaido i came across.... (I went Hokkaido in july 2007) think i may start a separate topic on oversea bus pic soon. heeee
hino Rainbow 2 bodywork unknown bus model Hybrid Hino bus.
notice the roof got this huge hump. thats the electric thingy unit.
ZYX -
Our new SCANIAS are euro4... if they dont maintain it properly will it end up giving out more harmful gases compared to other buses in singapore?
what is the worse poulltion bus in sg? -
Volvo B9TL to me...Originally posted by patdog112:Our new SCANIAS are euro4... if they dont maintain it properly will it end up giving out more harmful gases compared to other buses in singapore?
what is the worse poulltion bus in sg?
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Dennis Lance ... ...Originally posted by patdog112:Our new SCANIAS are euro4... if they dont maintain it properly will it end up giving out more harmful gases compared to other buses in singapore?
what is the worse poulltion bus in sg? -
Plus LO3x .Originally posted by TIB1049L:Dennis Lance ... ...
But i think that the O405s have the smelliest exhaust . Next time when a O405 leaves the bus stop , take a sniff . It smells bad, REALLY BAD. -
Dennis Lance, N113CRB / L113CRL, LO3x.Originally posted by patdog112:Our new SCANIAS are euro4... if they dont maintain it properly will it end up giving out more harmful gases compared to other buses in singapore?
what is the worse poulltion bus in sg?
Surprisingly, UDs don't emit that much black exhaust. -
Add in TridentsOriginally posted by Oceane:Dennis Lance, N113CRB / L113CRL, LO3x.
Surprisingly, UDs don't emit that much black exhaust. -
trident plus lances - lousy excuses for euro 2 buses
lols
ZYX -
B9TL, Dennis Lance, L113CRL.
EURO III, EURO II, EURO I. -
All the bus except the new scania?Originally posted by Scania N113CRB luver:Plus LO3x .
But i think that the O405s have the smelliest exhaust . Next time when a O405 leaves the bus stop , take a sniff . It smells bad, REALLY BAD. -
No leh. The gassy exhaust also not smelly mah.Originally posted by chickenlittle2:All the bus except the new scania? -
UD got lot of white exhaust instead.Originally posted by Oceane:Dennis Lance, N113CRB / L113CRL, LO3x.
Surprisingly, UDs don't emit that much black exhaust. I remember 370P got a whole lot of white smoke. -
IMO is the opposite .Originally posted by stooper:UD got lot of white exhaust instead. I remember 370P got a whole lot of white smoke.
UD some has black smoke while Striders and ELBOs have white smoke. -
I believe this is a Diesel-Electric hybrid...Originally posted by ZYX2005:then comes the story of Hybrid bus.
a bus type that runs on Electricty and also... diesel. hence the name hybrid
drivers can switch to very quiet electricity ( very low emissions) when going thru a town and then switch over to loud and "emission many" diesel.
In Hokkaido i came across.... (I went Hokkaido in july 2007) think i may start a separate topic on oversea bus pic soon. heeee
hino Rainbow 2 bodywork unknown bus model Hybrid Hino bus.
notice the roof got this huge hump. thats the electric thingy unit.
ZYX
Electrical energy is stored when the bus applies its brakes, and stored to the batteries on the roof...
During acceleration, the bus uses the electrical energy, instead of diesel to accelerate, thus providing low noise, and low emission during pick up... (Most soot/ pollution is produced when acceleration, thus this can reduce the soot/ pollution)
Diesel only kicks in when the bus is on expressway/ long stretch of road...
In fact, its quite a good technology to reduce fuel consumption and reduce pollutions by buses.
A diesel-electric hybrid in Seattle, WA.
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This is called Dynamic braking right? I rmbr some trains have this system.Originally posted by XiaoTaro:I believe this is a Diesel-Electric hybrid...
Electrical energy is stored when the bus applies its brakes, and stored to the batteries on the roof...
During acceleration, the bus uses the electrical energy, instead of diesel to accelerate, thus providing low noise, and low emission during pick up... (Most soot/ pollution is produced when acceleration, thus this can reduce the soot/ pollution)
Diesel only kicks in when the bus is on expressway/ long stretch of road...
In fact, its quite a good technology to reduce fuel consumption and reduce pollutions by buses.
A diesel-electric hybrid in Seattle, WA. -
It's called regenerative braking.Originally posted by Scania N113CRB luver:This is called Dynamic braking right? I rmbr some trains have this system.
Dynamic braking is when the electricity is converted to and dissipated as heat instead. -
I see. Thanks .Originally posted by stooper:It's called regenerative braking.
Dynamic braking is when the electricity is converted to and dissipated as heat instead.
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I was at Shanghai last year June for my holiday. In and around the city centre I do see buses such as the one illustrated by ZYX (even outside the hotel we resided, there are such buses pulling up at the bus stop). Are they electric or hybrid buses?Originally posted by ZYX2005:then comes the story of Hybrid bus.
a bus type that runs on Electricty and also... diesel. hence the name hybrid
drivers can switch to very quiet electricity ( very low emissions) when going thru a town and then switch over to loud and "emission many" diesel.
In Hokkaido i came across.... (I went Hokkaido in july 2007) think i may start a separate topic on oversea bus pic soon. heeee
http://inlinethumb25.webshots.com/32408/2682934570093663864S600x600Q85.jpg
hino Rainbow 2 bodywork unknown bus model Hybrid Hino bus.
notice the roof got this huge hump. thats the electric thingy unit.
ZYX
FYI, if I'm not wrong, Service 920 (forgot route, not to be confused with our 920 running from BPJ to Bangkit Road) serves this kind of buses. -
Reminds me of ECOBUS1 - ECOBUS3 in Aust.Originally posted by ZYX2005:HYDROGEN buses
Hydrogen fuel buses have been around for a long time. i first heard of this type of alternative fuel bus when i as in sec sch in 1996. Thats when Ballard announces they've built some sort of hydrogren bus using fuel tank to hold hydorgen.
Essentially after some 11 years upon hearing about this type of bus, the thing still works the same. Hydrogren is compressed with high pressure and in low temp such that it is in gas form. the fuel combusts in a solid tank (very solid - even if explosion occur tank wun be blown to bits) basically combust means u mix it with oxygen gas. so the whole thing go ka boom (controlled ka boom) and the exhuast is..
for chemsitry students no prizes for guessing
WATER
one engineer even dared to drink he water coming out of the exhaust pipe. pure madness. i wonder if he got a stomac ache after that.
one prominent website which comes to attention is
the HYFleet CUTE bus project whcih was laucnhed some yars ago in some 19 countries.
basic idea, to save the earth, run very clean emmssion hydrogren fuel bus. everyone happy. we happy. lols
[/url]http://www.global-hydrogen-bus-platform.com/Home
after a few clicks aroun as i explore the website i come upon
http://www.global-hydrogen-bus-platform.com/Technology/Buses
here u can see what type of buses moels is involved.
ZYX -
Ecobus is part of the Hyfleet CUTE programme.Originally posted by QX5216J:Reminds me of ECOBUS1 - ECOBUS3 in Aust. -
sbs shld do something to the exhaust of their o405..
it really REALLY smells..
as for smrt o405 i dont really smell much.
volvos, amazingly.. dont smell.
markII's are their oldest model here.. and it doesent smell much.