Gee jou kar gas
Gee jou kar gas

Gee jou kar gas

Riana de Lange – Sowat 1 200 minibustaxi’s in Johannesburg gebruik deesdae gas as brandstof, en die verskaffers van dié gas meen al hoe meer kommersiële voertuie sal in die toekoms op gas eerder as diesel of petrol ry.

Die koolstofbelasting wat op 1 Junie ingestel is, het belangstelling in saamgeperste aardgas as alternatief vir brandstof ’n stewige hupstoot gegee, sê Wayne Williams, bemarkingsbestuurder van die beheerrmaatskappy CNG Holdings.

CNG se afdeling vir voertuigbrandstof, NGV Gas, kry sy gas van Egoli Gas.

Vir sy kliënte gaan dit nie net oor skoner energie nie, maar ook oor mededingende pryse vergeleke met diesel, paraffien en op lang termyn ook steenkool.

Saamgeperste aardgas kan voertuie wat maandeliks baie kilometers aflê, se brandstofrekening halveer, sê Williams. Afgesien van taxi’s is sowat 150 vlootvoertuie (soos vragmotors en afleweringsvoertuie) in die provinsie reeds aangepas om aardgas as brandstof te gebruik.

Gauteng het meer as 830 000 ligte afleweringsvoertuie waarvoor gas ’n koste-doeltreffende opsie kan wees, sê Williams.

CNG is ook in gesprek met voertuigvervaardigers oor die invoer van voertuie wat gas as brandstof gebruik en wat reeds in ander wêrelddele verkoop word. Die aardgas word op CNG se perseel in Langlaagte in spesiale silinders saamgepers en dan per pad na kliën­te vervoer.

Die voertuie word teen ’n koste van sowat R26 000 aangepas om dié silinders te gebruik. Die silinder pas in ’n taxi gewoonlik onder die agterste sitplek en in ’n sedanmotor in die kattebak.

Geen meganiese veranderinge word aan die voertuig aangebruik nie en hy behou sy konvensionele brandstoftenk, want hy gebruik steeds ’n klein hoeveelheid petrol of diesel wanneer die enjin aangeskakel word. As die gas opgebruik is, ry die voertuig steeds met petrol of diesel.

Saamgeperste gas kos R9,99 per liter teenoor sowat R16 per liter vir 95-oktaan-petrol en meer as R14 vir diesel.

CNG bereken ’n voertuig wat 5 000 km per maand aflê (soos taxi’s en afleweringsvoertuie), kan deur die brandstofbesparing binne sowat sewe maande die aanpassing se koste verhaal.

CNG het sy eie gas-vulstasie in Langlaagte, Johannesburg, asook gaspompe by vier ander vulstasies in Johannesburg en Pretoria. Binnekort sal nog vier vulstasies van die pompe kry.

Williams sê aardgas is ’n baie veilige brandstof. Dit hoef nie ondergronds gestoor te word nie, het ’n baie hoë ontbrandingspunt en is nie giftig nie.

Omdat dit ligter as lug is, verdamp dit gou sou ’n lekkasie voorkom, eerder as om op die grond op te dam.

Gas word ook toenemend aantreklik vir ander energiegebruikers. Tien staatshospitale in Gauteng het hul warmwaterketels van steenkool-energie na aardgas omgeskakel om geld te spaar en besoedeling teen te werk.

Williams sê steenkool kos wel sowat 33% van die prys van aardgas – wat op sy beurt net die helfte van die prys van vloeibare petro­leumgas (VPG) behels – maar as die koste uitgeskakel word van onderhoud wat met steenkoolverbranding verband hou, is aardgas op lang termyn goedkoper.

In die agt jaar wat NGV gas voorsien, was daar nog geen prysverhoging nie, sê Williams, omdat die prys van aardgas baie stabiel bly en nie wissel soos LPG wat verband hou met die prys van ruolie nie. – Netwerk24

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Republikein 2024-05-18

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Nam 2.22 SAME | Oryx Properties Ltd 12.1 UP 1.70% | Paratus Namibia Holdings 11.99 SAME | SBN Holdings 8.45 SAME | Trustco Group Holdings Ltd 0.48 SAME | B2Gold Corporation 47.34 DOWN 1.50% | Local Index closed 677.62 UP 0.12% | Overall Index closed 1534.6 DOWN 0.05% | Osino Resources Corp 19.47 DOWN 2.41% | Commodities: Gold US$ 2 414.72/OZ UP +1.55% | Copper US$ 5.04/lb UP +4.12% | Zinc US$ 3 059.30/T UP 0.11% | Brent Crude Oil US$ 84.28/BBP UP +0.60% | Platinum US$ 1 084.88/OZ UP +2.19%