Approaches to automotive emissions control: A symposium by ditor(s): Richard W. Hurn

By ditor(s): Richard W. Hurn

content material: The impact of gasoline composition on overall strength assets / G.P. Hinds, Jr. and W.A. Bailey, Jr. --
influence of automobile traits and emissions rules on gas call for / Dayton H. Clewell and William J. Koehl --
Gaseous motor fuels : present and destiny prestige / W.R. Finger, D.S. grey, W.J. Koehl, P.E. Mizelle, A.V. Mrstik, S.S. Sorem, and J.F. Wagner --
gas volatility as an accessory to automobile emission regulate / R.W. Hurn, B.H. Eccleston, and D.B. Eccleston --
Pre-engine converter / N.Y. Chen and S.J. Lucki --
Low emissions combustion engines for motorized vehicles / Henry okay. Newhall --
substitute car emission keep an eye on structures / E.N. Cantwell, E.S. Jacobs, and J.M. Pierrard --
the appliance of the excessive velocity diesel engine as a mild responsibility energy plant in Europe / C.J. Hind --
car engines for the 1980's / R.W. Richardson.

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Extra resources for Approaches to automotive emissions control: A symposium co-sponsored by the Division of Fuel Chemistry and the Division of Petroleum Chemistry at the 167th ... April 1-2, 1974 (ACS symposium series ; 1)

Example text

3 % , r e s p e c t i v e l y , i n 15 y e a r s Q ) . S h i f t to Smaller Cars. U s i n g our math model, we have e s t i m a t e d the p o t e n t i a l 1985 g a s o l i n e demand w i t h a s h i f t o f new c a r s a l e s from l a r g e c a r s t o s m a l l e r ones as compared t o m a i n t a i n i n g the 1973 new c a r s a l e s mix. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1974. Automotive Trends and Emissions Regulations C L E W E L L AND K O E H L ANNUAL DEMAND, BILLION GALLONS 1970 1975 1980 1985 YEAR Figure 7.

ACS Symposium Series; American Chemical Society: Washington, DC, 1974. 2. CLEWELL AND KOEHL Automotive Trends and Emissions Reguhtions 27 c a r s o f 1967, we see a 15% l o s s i n f u e l economy i n t h e 1973 models. Some improvement appears t o have o c c u r r e d i n 1974, and i n 1975 models o u t s i d e o f C a l i f o r n i a , we e x p e c t a 3% improvement o v e r 1974. In F i g u r e 6, t h e d a t e s a s s i g n e d t o t h e s t a n d a r d s shown beyond 1975 a r e t h e e a r l i e s t model y e a r s i n which we would e x p e c t them t o a p p l y i n view o f r e c e n t a c t i o n s i n Congress (22).

Thus we have a requirement f o r a heavy, h i g h p r e s s u r e tank. F u r t h e r , you w i l l n o t e t h a t t h e h e a t o f combustion o f a g a l l o n o f LPG i s s u b s t a n t i a l l y l e s s than t h e h e a t o f combustion o f g a s o l i n e . C o n s e q u e n t l y , an LPG tank w i t h a c o r r e s p o n d i n g l y l a r g e volume must be p r o v i d e d t o p e r m i t t h e same v e h i c l e range o r range must be s a c r i f i c e d . T u r n i n g t o n a t u r a l gas w i t h a c r i t i c a l temperatur o f -116°F, t h e tankage p r e s e n t s an even more d i f f i c u l t problem.

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