New-York tribune., 1922-10-22
49, -
Economy Goal
Is Approached 4
In Fuel Tests
Less Volatile Fuels Can BE
usrsi In Summer, and
Probably in Win,ertinas,,
Without Loses In Mileage
Engine Problem Studied
Belief Grows That Ausorno.
tive Engineers Wili Solve
All of Lesser Di(Iicuilies

fAaei economy hss been one Of the
Big problems which the sutoasossle ,a.
dus,Ys hss been bending every esFars
20 aoiys tn the last few yeara OF
especial Importance arr the tests which
havt been made along this i'ae 10 the
riosoriets In the metropolitan ares.
The consumption of gasoline In the
congeeted districts hss been an item
of much thought. With the constan,
pausea caused by traffic regulations,
etc.. the city man. oftentines. ~ con-
Eronted with much larger fuel bin
kaan hta country nrighhor.
Whist 10 the best gasoline 10 qaes-
sion which 10 being asked by shou-
sands all over the nation. Which Is
she most ssf,sfactoryf Which f. tho
srucet economyf
The following announcement made
% L WEIGH. secretary ~ she Amer
lean Petroleum Institute. yah xnswer
several Of the vexing fuel questions
For automobilista;
"NutoY fuels considerably iesa vcims
Giie than thuse nov sn uss can be used
st least In GUNNER ~esthes, and prob
Ebiy tn winter. without serious incon.
venience. and produce substs ntiaily
the same number Of miie. per gallon
1his t. indicated by the results so Tar
attained by joint tesearch aow being
carried on by the government aad the
oil and sutomo,ive Industries
FerAes Hsp~ Held Ger Fasase
Shis rcsuis IL Of fundamental I'm.
portsuoe, not because IL Indicates thst
She oil tnduntss should ut once pro.
dace or that che public should turn TO
heavier fuels than those now In use,
but because IL seesns to indtcsss that
sotomotise snd oil engineers have not
struck as ~as quite commonly sup-
posed. blank wAil 60 s@r se volatility
- concerned.
ssThis assumption WAS founded apon
the thought that the making Of motor
fuel any heavier than II now is would
merely result IN cutting Town the mum
ber Of miles per gallon through the In
abi!ity os the average engine to burn
she heavier parts Of che gasoline; IN
other ~ords. that the heavier ends
wouid not vaporize and burn In the
cylinders and tha, their addition would
sdd only complications and noe miles.
"The important thing which the re
search has established so far Is that
Che heavier parts of gasoline. sven less
volatile than those now in use, do add
miles; and the question whether
chose heavy constituents OF less vols-
lie gasoline will add miles under win.
ter driving conditions and whether the
tendency 20 dilute crank case iubri.
cants 10 100 great TO compensate for
she more abundant eupply Of fuel. re-
mains "a be fully Investigated and
answered.
Fous Special Faeis Selected
~oue must feel encouraged TO believe
Ghss tt ts probable that .the automottve
engineer will solve any of these sub.
sidiary probIenia
"Four special fuels we're selected g.,
rs Go have the same starting chsracter-
tstics but fering In the volatility of
Gheir heavier constituents the ightese
oS must volatile OF the four being more
readily vaporized than commercial gas
cline. and the heaviest much less read.
lily ssporized than any grade marketed
as motos fuei The other two fuels
represented the medium grades
-Four typical models Of passenger
s1re we're selected, representing nearly
70 per cent Of ell passenger cars on the
road
"A snectsl schedule Of road eeets WI q
carefully laid oui IN advance In order
20 REPRESENT as nearly as possible the
conditions Of operation to which tho
average passenger car Is subjected In
service. THIS schedule included Hr.
eeierestons. deceleraaions, slow and
moderate speeds as In traffic MS we'll "a
sour'ns conditions A special set Of
snstrunents Sss designed fos obssrv.
ms the hehsvior Of the cars and for
sneasurins accurately the amount AZ
insi used In each stage Of the ,.sra
proEsess report will be mada
showing the details " the work M tho
snnusi meeting OF the American pe,ro.
iesiD Institute In Dsr~,nhar 80 49,.
az the winter meeting OF the Society a.
Automctfve Engineers the fnrfha
preFress OF the rcaesrch will be fu,,,
reported" "s Aoiis