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  1. Join Date
    Aug 2004
    A gasoline engine will run LPG with no issues if it is tuned properly and has the correct heat range of spark plug. In fact, it runs with no more issues than regular unleaded or E10.

    Ang pagbalik ng comeback...

  2. Join Date
    Oct 2008
    A taxi driver of a well-known fleet operator told me that they've just purchased hundred units of vios gas. Hindi raw kaya ng hyundai i-supply yung accent. Totoo ba ito? Correct me if this wrong.
    He also told me that his operator preferred gas as LPG is difficult to maintain and not good for his health and the passengers.

  3. Join Date
    Aug 2008
    I've always been wary about the (almost certainly) cheap LPG conversions that taxis use.

  4. Join Date
    May 2010
    Nabasa ko yung article kanina. Never in my commute (I rarely ride cabs) na nakasakay ako sa isang LPG powered taxi. But, the high price of gas is similar sa hospital bills.

  5. Join Date
    Sep 2003
    nakasakay na ako nyan once, from Edsa Rotonda to POEA. nagpakarga pa ng yung driver sa malibay.
    wala naman akong napansin na amoy. nung nagpakarga, meron.

    yung driver sabi ok naman daw, pero hirap daw sa paahon yung taxi nya pg lpg.

  6. Join Date
    Oct 2002
    Quote Originally Posted by chua_riwap View Post
    nakasakay na ako nyan once, from Edsa Rotonda to POEA. nagpakarga pa ng yung driver sa malibay.
    wala naman akong napansin na amoy. nung nagpakarga, meron.

    yung driver sabi ok naman daw, pero hirap daw sa paahon yung taxi nya pg lpg.

    I drive an Auto-LPG/gasoline fueled Corolla. Performance does not change dramatically if the car is running on gasoline or LPG.

    When taxi cabs say that LPG makes their engine overheat or other things, it is because they have been tampering with the settings of the LPG kit, usually to make the engine run leaner to reduce fuel consumption.

  7. Join Date
    Oct 2002
    Quote Originally Posted by myk384 View Post
    Nabasa ko yung article kanina. Never in my commute (I rarely ride cabs) na nakasakay ako sa isang LPG powered taxi. But, the high price of gas is similar sa hospital bills.
    I have ridden in LPG-fueled taxi cabs a number of times. Most are running nicely but a few are obviously tampered to run leaner.

  8. Join Date
    Oct 2002
    Quote Originally Posted by ghosthunter View Post
    I drive an Auto-LPG/gasoline fueled Corolla. Performance does not change dramatically if the car is running on gasoline or LPG.

    When i want to save a lot on my gas expense, I sometimes take the LPG Corolla Altis to Baguio instead of the family van or SUV. With 3 adults, 2 kids, full luggage and a Thule roof box, it has no problem overtaking and maintaining a good pace as it's performance is pretty much similar to running on gasoline.

  9. Join Date
    Oct 2002
    Here's the next part... and they have more credible resource persons this time around. :D

    [SIZE=4]Faulty installation causes gas leaks, say experts[/SIZE]
    By Tessa R. Salazar
    Philippine Daily Inquirer
    2:30 am | Friday, November 4th, 2011

    [SIZE=1]HAZARDOUS A filler valve inside the trunk greatly increases the risk of LPG leaking into the trunk and the passenger cabin. ALEX P. LOINAZ/contributor [/SIZE]

    (2nd of a series)

    Liquefied petroleum gas (LPG) has been used for decades to power vehicles in developed countries, but drivers or passengers have raised no major health issues about the fuel.
    In the Philippines, an increasing number of motorists—mostly drivers and passengers of taxis running on LPG —have complained of respiratory-related distress.

    Automotive and fuel experts maintain that LPG, by itself, is a clean and safe fuel.

    But a Pandora’s Box of problems arises when ignorance, motivated by the desire for increased profits, becomes the blueprint for the devil-may-care installation of auto LPG systems. Combine that with poor vehicle maintenance, and you get a highly dangerous situation.

    Automotive technologist Alex P. Loinaz has documented numerous LPG-powered vehicles in the Philippines, taking note of many suspect practices in installation, maintenance and refueling.

    These practices have caused leaks in LPG tanks and seepage into the passenger cabins, causing riders to suffer the classic symptoms of LPG inhalation, he said.

    Ironically, it was Loinaz who was the first to apply for an auto LPG retail business in 1977 with the Oil Industry Commission. He was also responsible for the formulation of the Philippine National Standards for Auto LPG in 1983.

    The lack of strict enforcement of the standards, however, has allowed the proliferation of numerous “fly-by-night” auto LPG installation outfits, he lamented.

    Haphazard fittings

    These unauthorized LPG installers commit a virtual combo of haphazard fittings and use inappropriate materials, all to make a quick profit, Loinaz observed.

    A few of these dangerous fittings and materials that Loinaz took pictures of include:

    Unsealed LPG fuel lines.

    Filler valve placed inside the trunk, or near electrical wires and bulbs.

    Fuel line joined together with two incompatible metals, such as copper and brass, welded or joined together.

    The LPG refueling receptacle requiring an adaptor, which is considered a safety hazard.

    Weak tank brackets that cannot stabilize an 80-liter tank especially during violent collisions.

    Adding to an already volatile situation, he said, would be the dangerous habit of many taxi drivers to “force-feed” their LPG tanks in order to lessen trips to the pumps.

    Loinaz showed to the Inquirer pictures he took of taxis force-filling their fuel tanks to more than the recommended maximum safe limit of 80 percent tank capacity. Sometimes, drivers would order the pump boys to fill the tanks to 100 percent capacity, exponentially increasing the risk of seals, gauges and fittings on the tank to burst and leak fuel.

    Problems foreseen

    One member of the technical group of the Department of Energy, who refused to be identified for lack of authority to speak for the DOE, disclosed that when the group once conducted gas analyses on several taxis, it discovered high amounts of hydrocarbon emissions, which meant poor combustion even if they were LPG-powered.

    The DOE source added that when the government decided to start the auto LPG program and updated and deliberated on the existing auto LPG standard in 2006, the energy department already saw the potential problems caused by these “fly-by-night” auto LPG installers.

    The source admitted the existence of these unlicensed converter/installation shops, adding that this would be in direct violation of the Department of Trade and Industry’s Bureau of Product Standards for licensing before LPG conversion and retrofitting.
    The DTI has a list of licensed converter shops. The role of the DOE, the source said, has been to go on an information and education campaign and conduct seminar workshops on proper LPG installation, particularly in many key cities like Davao, Cebu and Cagayan de Oro.

    Private users of auto LPG

    Cielo Regino Fregil, managing director of an accredited LPG conversion and installation system, has installed Italian-made LPG kits in such cars as those of Senator Francis Escudero, Representative Gilbert Remulla, movie producer “Mother” Lily Monteverde, Ilog ni Maria owner Joel Magsaysay and rally champion Vip Isada. Since 2005, her company has been installing LPG kits in taxis and private vehicles.

    Fregil stressed that the reason LPG fuel leaks into passenger cabins would be the improper installation of tanks and poor LPG maintenance servicing.

    “The LPG kit also needs to be maintained properly. There are filters that need to be changed so it can perform at its optimum,” she said.

    Fregil added: “I have been driving my LPG-powered cars for over six years and I have never experienced symptoms of having dry throat and sickness while driving.”

    Auto enthusiast Leslie Sy, who started his research in auto LPG in 2005 and watched the entire process as his Corolla GLi fuel line was converted to LPG use in 2006, said he still uses auto LPG, and there have been no ill effects whatsoever.

    Too old on the road

    Sy said that he had used a carburetor kit modified with an EFI bypass system. “A couple of years later, we had our other cars converted, including a Toyota Camry Gen2, Honda City 1.3L iDSi, N16 Nissan Sentra 1.3L, Mazda3, and Honda CRV 2.0 Gen2.”
    Sy said, however, that accounts of increased respiratory illnesses arising from riding in LPG taxis did not surprise him. “It does surprise me that people did not catch the real cause of the problem,” he added.

    Sy traced the root of the LPG problem back to several years ago when the Land Transportation Office tried to boost the auto LPG program among taxi operators.

    “They gave the taxi companies two-year extensions for auto LPG-converted taxi cabs. This was on top of the five-year franchise for new cabs and another five-year extension for the same car. So the taxi cab would be 12 years old before it was retired from ‘active service.’”

    “Now, consider the number of people using the cab in a single day, in a week, month and a year. Consider the lack of maintenance the taxi cabs get, especially with their aircon systems. Consider we live in a tropical, humid country, with spores and molds floating in the air we breathe. Wouldn’t it be conceivable that in those 12 years of daily service, a taxi cab’s aircon system would have some degree of mold or fungus infestation?”
    Last edited by ghosthunter; November 4th, 2011 at 12:49 PM.

  10. Join Date
    Oct 2002
    [SIZE=4]WHAT WENT BEFORE: LPG as automotive fuel[/SIZE]
    Philippine Daily Inquirer
    3:58 am | Thursday, November 3rd, 2011

    The wide use of liquefied petroleum gas (LPG) as automotive fuel in the country was promoted for its environmental benefits as early as 2002, three years after the passage of the Clean Air Act.

    In a position paper that year, the Philippine Liquefied Petroleum Gas Association Inc. noted that LPG has lesser greenhouse gas emissions such as carbon monoxide and nitrogen oxide that contribute to global warming compared to gasoline and diesel.

    The umbrella organization for LPG industry players also added that LPG readily dissipates in the air, so it does not adversely affect soil and water in case of leakage unlike gasoline and alternative fuels such as ethanol or methanol, which is not soluble in water.

    The association cited the use of LPG in more than 4 million vehicles in over 40 countries, consuming 10 million tons a year. Galloping oil prices prompted the shift, along with environmental concerns.

    In 2005, The Department of Energy (DOE) revealed it was working on a policy framework to regulate the different components of an autogas program implementation, including safety regulation.

    18,731 taxis on LPG

    In 2008, with about 7,000 vehicles running on LPG, the Arroyo administration launched a P1-billion engine program to help owners of jeepneys, buses and taxis convert their diesel- or gasoline-fed engines into ones that would run on much cheaper and environment-friendly fuels like LPG and compressed natural gas.

    Then Transportation Secretary Leandro Mendoza noted that it would cost P70,000 to convert a vehicle to 30-percent LPG use and P250,000 for 100-percent LPG conversion. For a jeepney converting into 30-percent LPG use, this would mean an additional P220 savings a day for an owner or driver, he added.

    By the end of 2008, the DOE noted there were 14,000 taxis operating in key cities nationwide, as well as 132 retail dispensing stations.

    As of March 2011, there were more than 18,731 registered taxis running on LPG in the country, according to the DOE. Inquirer Research
    SOURCE: WHAT WENT BEFORE: LPG as automotive fuel | Inquirer News

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