Posts

Sorted by Category: Driving green

  • Intensive Electronic Engine Managements Yields Lower Emissions, Greater Reliability, and Superior Fuel Economy

    Monday 06 February 2017

    I replaced a Mass Air Flow sensor on a Volvo 850 yesterday. The diagnostic protocol I completed before condemning a $350 part reminded me once again how computers have taken over every aspect of engine management, up to and including “drive-by-wire” systems that actually control the throttle in response to inputs from the gas pedal, engine speed, gear range, etc. In other words, when you press on the gas, there is only an electrical connection to the engine from the pedal. Instead of... read more

  • Bicycling as Transportation

    Monday 06 February 2017

    The greenest form of transportation is attached to the bottom of your legs- your feet! The ‘carbon footprint’ of walking is about as small as it gets and it has the additional benefit of being healthy as well. However it takes time, and unless you only have a mile or less to go, getting around by foot can consume a large part of your day. Riding a bicycle, on the other hand, is a lot more efficient. Its’ carbon footprint is equally modest, and in small, relatively level cities... read more

  • Engine Oil – A Necessary Evil

    Friday 15 February 2013

    The oil that lives inside the engine of your car or truck is indeed a petroleum product and comes out of one of those sixty-six dollar barrels just like gasoline. It’s origin, use, and disposal has contributed to world wide environmental degradation just like it cousin, gasoline, and, like its’ cousin, it is a necessary part of daily driving. Inside your engine it lubricates in all temperatures, from Alaska to Death Valley, it prevents corrosion and oxidation, and carries away harmful b... read more

  • Priorities in choosing a new car

    Friday 15 February 2013

    I’m a car guy, so automotive related stuff always catches me eye. New Times "man in the street" question last week was "If you could purchase a new car today, what would your number one priority be?" Two out of five said "Power, definitely power". One said style, one economy, and one (if I recall correctly) was happy if it just started every time. This gives us a pretty good idea why many of the car ads feature bigger engines and more horsepower and only a few promote their economy. We... read more

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