Gas prices: last week, the government has changed the formula for calculation of market gasoline price here, so despite price raise, they lowered the tax (excise) they receive as revenue from gasoline price, so the rise in price was not as high as it could be otherwise. However, depending on the situation in Japan, Libya and demand/output ratio, any scenario is quite possible. Also, it was clearly announced that this was the last intervention in gasoline price from the government to "ease" current situation and possible price inflation.
In the long run, we can only expect higher and higher prices as demand in growing parts of the world rises (India, China).
However, we can expect also much worse things than gasoline price rise if the "big empires" of the Cold war continue to exert dominance and protect just their interest and do not recognize the growing political influence of new multi-polar world (BRIC countries).
One much more concerning thing is rise in food prices. On the average, food price went up more than 30 % in the past year, half of this in the past three months. Our inflation is almost the same as in USA, so it does not account for this rise.
Also, considering that we are on a scoot forum, I have to say that scoots are not incredibly gas saving. For example, average 250 cc scoot consumes 4-4,5 l of gasoline/100 km; average 500 cc will consume anywhere from 4.5-6 l/100 km. Even though I hate diesel cars, many (even mid-range) turbo diesel cars will consume 4.5-6 l/100 km of diesel fuel, even in urban cycle, that is also slightly cheaper. Maintenance of scoots is much more expensive than maintenance of cars as mileage rises (try to drive the same scoot for 100.000 kms and calculate all costs) and they have frequent service intervals.
Calculation car vs. bike depends on many variables. I think scoots are indispensable for inner rings of urban areas. However, if you come from far away (if you commute 50-80 kms in each direction daily) it may be too much, exhausting, high mileage for a scoot etc. In fact, it is not "or" issue, it is "and" issue: in most cases both car and a scoot are needed.
Of course, scoots are much better for lane splitting, there is no associated parking costs etc. I am just point to both sides - it is not just fuel consumption that counts.