Dr Jiulin Teng

Welcome! I am Dr Jiulin Teng. Over the years, I have developed insights into a number of issues of popular interest. A photography enthusiast, I have also captured photos of places and people that tell stories. This website is dedicated to my thoughts and my photos.
Dr Jiulin Teng
Cover for post Modern Ferrari V12 GTs: Evolution Over Six Generations
13 Jul 2024
Modern Ferrari V12 GTs: Evolution Over Six Generations
Some of Ferrari’s most collectible and unforgettable road cars are V12-powered grand tourers. Today, we look at the evolution of modern Ferrari two-seat GTs after the return of the front-engine V12 (berlinetta) layout over six generations.
Cover for post Mercedes S-Class vs BMW 7-Series: Comparison Over the Last 6/7 Generations
07 Jul 2024
Mercedes S-Class vs BMW 7-Series: Comparison Over the Last 6/7 Generations
Today, I compare the Mercedes S-Class and the BMW 7-Series over the last 6 or 7 generations from the matchup between W126 and E23, E32 to today's battle between W223 and G70.
Cover for post Dynamic Fuel Management in LT Engines Is the Most Advanced Cylinder Deactivation Technology Today
04 Jul 2024
Dynamic Fuel Management in LT Engines Is the Most Advanced Cylinder Deactivation Technology Today
Today, I briefly cover how GM’s Dynamic Fuel Management (DFM) system works. It should then be obvious why it is superior to conventional cylinder deactivation technologies.
Cover for post Macron’s Gamble Looks Set to Pay Off: After First Round of the 2024 French Parliamentary Election
03 Jul 2024
Macron’s Gamble Looks Set to Pay Off: After First Round of the 2024 French Parliamentary Election
Emmanuel Macron took a gamble after the European elections last month with the snap election. After the first round, it appears to me that this high-stake gamble is likely to pay off with a strengthening of his grip on power.
Cover for post EA824 vs EA825: Comparing Two Generations of the Audi / Porsche 4.0 TFSI Engine
30 Jun 2024
EA824 vs EA825: Comparing Two Generations of the Audi / Porsche 4.0 TFSI Engine
Consumers commonly confuse the VAG EA824 and EA825 engines with each other. However, the Audi-designed EA824 and the Porsche-Audi EA825 are fundamentally different. Today, I compare the two across eight aspects.
Cover for post Cadillac Escalade: Mechanical and Design Evolutions Over 5 Generations
29 Jun 2024
Cadillac Escalade: Mechanical and Design Evolutions Over 5 Generations
Today, I briefly go over the mechanical and design evolutions of the Cadillac Escalade over its first five generations.
Cover for post Porsche Cayenne: Mechanical and Design Evolutions Over 3 Generations
28 Jun 2024
Porsche Cayenne: Mechanical and Design Evolutions Over 3 Generations
Today, I briefly go over the mechanical and design evolutions of the Porsche Cayenne over its first three generations. Emphases will be given to drivetrain and engine choice.
Cover for post Precluding Peace in Ukraine Leads to New European War
19 Jun 2024
Precluding Peace in Ukraine Leads to New European War
Russia's peace proposal marks a departure from the original goals of the SMO. It expresses a commitment to reach a definitive resolution of its existential conflict against the West by making sure that Russia's western borders will never be safe.
Cover for post Tangshan Park [May 2024]
17 Jun 2024
Tangshan Park [May 2024]
Here are a selection of photos taken on a visit to a large park complex in the city of Tangshan in May 2024. While it may appear that I covered a large area, and I had, there was only enough time to walk around about half the park.
Cover for post Park [May 2024]
17 Jun 2024
Park [May 2024]
Here are a few shots from a couple of strolls in a park nearby during the month of May 2024. Enjoy!
Cover for post Tianjin [April 2024]
16 Jun 2024
Tianjin [April 2024]
These are a few select shots from the city of Tianjin in April 2024. The city is best known for not changing in a time of change, and as far as I could see nothing had changed in the preceding months.
Cover for post Nikasil, Alusil, Lokasil, and Silitec: Cylinders in liner-less aluminium engine blocks
15 Jun 2024
Nikasil, Alusil, Lokasil, and Silitec: Cylinders in liner-less aluminium engine blocks
Today, we briefly examine the three main types of liner-less cylinder treatment methods that originated from Germany, Nikasil, Alusil, and Lokasil, and their variants.
Cover for post Panshan [April 2024]
14 Jun 2024
Panshan [April 2024]
This album is a selection of photos taken on a hike on Panshan in April 2024 on one of the rare clear days of the season. This was after the winner had fully passed, and we see a good combination of greenary and the relatively barren mountains.
Cover for post Economic Cycle in Planned Economies
13 Jun 2024
Economic Cycle in Planned Economies
There is a popular myth that planned economies do not have economic cycles. This goes against well-documented deep, lasting recessions that preceded the downfall of the Eastern Block. Today, I try to set the record straight as concisely as possible.
Cover for post Photos from a stroll in a park in March 2024
11 Jun 2024
Photos from a stroll in a park in March 2024
Here are a few shots taken on a stroll in a park in March 2024. While the winter was over, spring had not arrived. Even though the day was mild, what we see in these photos are still what lingers from the cold and some early greens here and there.
Cover for post Mercedes M156 vs Maserati F136Y (4.7) vs BMW S65, Iconic Designs Compared
30 May 2024
Mercedes M156 vs Maserati F136Y (4.7) vs BMW S65, Iconic Designs Compared
Today, I compare the Mercedes-AMG M156 6.2L V8, the Maserati F136Y 4.7L V8, and the BMW S65B40 4.0L V8 across seven aspects. These engines use equivalent technologies but differ appreciably in their design goals.